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  • Nature Publishing Group  (2,088)
  • International Union of Crystallography (IUCr)
  • 2020-2023
  • 1930-1934  (2,088)
  • 1930  (2,088)
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  • 2020-2023
  • 1930-1934  (2,088)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 1009-1010 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE greenhouse white-fly is a pest of a number of plants grown under glass, and has, during the past fifteen years, become so widely distributed in Great Britain, Ireland, and the Channel Islands that the owner of the smallest conservatory must by this time be familiar with it and with the sordid ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 1012-1012 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE eighteenth election to Beit Fellowships for Scientific Research, which are of the annual value of £250 and tenable at the Imperial College of Science and Technology, will take place on or about July 14 next. Not more than three fellowships will be awarded. Candidates must be less than ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 952-953 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE molecular field postulated by Weiss to explain ferromagnetism is regarded by Becker1 as mechanical in origin, representing the control exerted by strain within any portion of a crystal upon the direction in which that portion may retain its magnetisation in the absence of ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 955-955 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HOUSTON (Phys. Rev., 33, 297; 1929) has worked out an approximate quantum mechanical theory of the relation of the triplet interval ratio to the singlet-triplet interval for two electron configurations in which one of the electrons is in an s-state; he has also derived expressions for ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 955-956 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] READERS of Dr. Langmuir's stimulating and detailed review of my book, “The Physics and Chemistry of Surfaces” (NATURE, NOV. 8), may possibly suppose that there is an important difference of opinion on fundamental questions of the structure of surface films, from the criticism which he makes of ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 957-957 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the course of disease transmission studies, it was found that certain stocks for long periods did not exhibit the characteristic symptoms of the disease, and were therefore believed to represent disease-resistant varieties. The leaf tissue from such operated and disease-resistant ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 958-958 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Editor of NATURE has kindly permitted me to see Dr. Mukerji's letter, and I am glad to have the opportunity of replying to it. Several investigators have recognised that Phlebotomies major and P. perniciosus are closely related. Franca and Parrot (1921) named the latter sandfly P. ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 959-963 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A DEFINITION of the word "machine" given XJL in " The New English Dictionary " is " a combination of parts moving mechanically, as contrasted with a being having life, consciousness and will". According to that definition, the whole earth may be regarded as a machine, as it consists of various ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 953-953 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. A. HOLMES and Dr. R. W. Lawson in their paper on “The Radioactivity of Potassium and its Geological Significance” (Phil. Mag., Dec. 1926, p. 1218) have estimated the heating effect of potassium by multiplying the average energy of the emitted β-ray by the number emitted per second. The ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 954-955 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS note has reference to the very interesting paper by Mr. R. H. Fowler in the Supplement to NATURE of Oct. 18 last on the conduction of electricity in metals. In this he refers to the difficulty in connexion with Drude's model in that the free electrons in the spaces should behave like a ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 956-957 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BIRDS frequently perform strange antics in the air, both during courtship and at other times, and the air acrobatics of the raven have long been known. Thus Morris describes him as “performing various circling evolutions and frolicsome somersets in view of his mate”. Yarrell, a better observer, ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 957-958 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITH reference to Drs. Adler and Theodor's note entitled “Infection of Phlebotomies perniciosus Newstead with Leishmania infantum”, published in NATURE of Sept. 20, I would like to add that the insect concerned has not as yet been recognised as a distinct species, but only as a variety of ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 976-976 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dec. 9-11, 1672. Glazed Frost in Somerset.The record of this phenomenon in the abridged edition of the Philosophical Transactions, vol. 2, p. 37, implies that the year was 1671, but Mr. C. E. Britton, of the Meteorological Office, New Ranges, Shoeburyness, from a study of the unabridged edition, ...
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  • 14
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    Nature 126 (1930), S. 977-978 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LONDON. Physical Society, Nov. 7.W. N. Bond: Turbulent flow through tubes. The experimental methods included (a) an aural method; (b) photography of the motion of a deflected vane; and (c) injection of colour-streams about half-way along the tube. Intermittent turbulence was investigated at ...
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  • 15
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the beginning of the present century there il were few works on chemistry written in such a mariner as to appeal to the intelligent layman; so that, in spite of such earlier works as Scoffern's " Chemistry No Mystery " (1839), chemistry remained a decided mystery to the average educated person. ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 911-912 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "A NARRATIVE History of Aviation " is a title both bold and comprehensive enough to suit the most captious person. Unfortunately, this book falls far short of justifying either of these adjectives. One of the most essential requirements of the historian is a sense of proportion, unless he is ...
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  • 17
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    Nature 126 (1930), S. 912-912 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are many practical hints in this little book which appeal to common sense, although from the point of view of the ordinary electric wireman they are quite unorthodox. The author points out, for example, that the wiring of many houses is spoilt by placing the wall sockets indiscriminately ...
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  • 18
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    Nature 126 (1930), S. 940-940 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR three days last week, Dec. 3-5, a heavy fog occurred in part of the Meuse valley, in the industrial area between Huy and Seraing, south-west of Liege, as a result of which sixty-four persons and a number of cattle are dead. An official medical commission which investigated the circumstances has ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 915-916 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known that determinations of the wavelength, λ, of X-ray spectral lines, which have recently been made by means of line gratings, do not agree with those found by crystals, the crystal values being 0.1 to 0.3 per cent less than the line grating values. In this use of line gratings ...
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  • 20
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    Nature 126 (1930), S. 943-943 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRITISH. Imperial Bureau of Plant Genetics: Herbage Plants. Bulletin No. 2: Miscellaneous Information relating to Herbage Plants. Pp. 24. (Aber-ystwyth: Agricultural Buildings.) Union of South Africa: Department of Agriculture. Sixteenth Report of the Director of Veterinary Services and Animal ...
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  • 21
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    Nature 126 (1930), S. 871-872 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LORD CURZON'S classic work on Persia, pub-A lished in 1892, went out-of-print a few years later, and was never reprinted. Sir Percy Sykes made his debut in Persia in the following year, and but for interludes in South Africa and Turkestan was, until December 1918, on duty in that country as a ...
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  • 22
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    Nature 126 (1930), S. 925-925 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BY the premature death on Nov. 21, at the age of sixty-one years, of Prof. John Hammond Teacher, the School of Medicine of Glasgow has lost a valuable member of its personnel. Educated at the Glasgow Academy and the University of Glasgow, he graduated in arts in 1888 and in medicine with ' High ...
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  • 23
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    Nature 126 (1930), S. 926-926 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. WALTER HERZ, professor of physical chemistry in the University of Breslau, died on Sept. 7, aged fifty-five years. From the Chemiker-Zeitung we learn the following particulars of his life. Herz was a native of Breslau and at the University of that city he studied under Ladenburg, who quickly ...
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  • 24
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    Nature 126 (1930), S. 936-937 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is now well known that esters of carbohydrate and phosphoric acid play an important part as intermediates in carbohydrate metabolism in both animals and plants. They were first obtained in the alcoholic fermentation of yeast; later they were found to play a part in the metabolism of muscle and ...
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  • 25
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    Nature 126 (1930), S. 940-940 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CAMBRIDGE. The Council of the Senate has appointed the following Committee for the James Clerk Maxwell centenary celebration: The Vice-Chancellor; Sir J. J. Thomson; Mr. W. Spens, Master of Corpus Christi College; Sir Joseph Larmor, Sir Ernest Rutherford, Dr. C. D. Broad, Prof. H. F. Newall, Sir ...
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  • 26
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    Nature 126 (1930), S. 943-944 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FRIDAY, DECEMBER 12. ASSOCIATION OF ECONOMIC BIOLOGISTS (in Botany Department Lecture Room, Imperial College of Science and Technology), at 2.30. The Puriflcation of Waste Waters from Beet-Sugar Factories:D. W. Cutler: Microbiological Aspects.E. H. Richards: Biochemical Aspects. DIESEL ENGINE ...
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  • 27
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    Nature 126 (1930), S. 876-876 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS ponderous volume is considerably thicker than any of its predecessors, presumably because of the larger number of examples of work that it contains. Of these examples, some, so far as one can judge, are very fine; but of course when the merit of a piece of work consists in copying an original ...
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  • 28
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    Nature 126 (1930), S. 875-876 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE appointment of Mr. Hamilton Fyfe as the head of a university in Canada and of Mr. Flecker as his successor recalls one's mind to the famous school which the one is leaving and the other taking over. The Blue Coat School has always held a special place in the affections of English people, partly ...
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  • 29
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    Nature 126 (1930), S. 878-879 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. MACBRIDE, in his brilliant review (NATURE, Oct. 25, p. 639) of the recent embryological works by Dürken, Schleip, and Przibram, raises questions which are so fundamental in modern biology that I venture in all humility to interpose a word. Although I have not yet had the opportunity of ...
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  • 30
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    Nature 126 (1930), S. 877-877 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I OBVIOUSLY must not ask for space to discuss all the points raised in Sir Oliver Lodge's interesting letter in NATURE of Nov. 22, and so will attempt no reply to those parts of it which run counter to the ordinarily accepted theory of relativity. For I am sure nothing I could say would change ...
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  • 31
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    Nature 126 (1930), S. 882-882 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A. HAAS deduces the equation: ν = l.1 × 10−49 M, where ν represents ‘cosmical velocity’ and M the mass of the universe.1 Taking M = l.8 × l057 gm. he obtains ν = 2000 km. per second and then says: “This value agrees well with the magnitude of the ...
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  • 32
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    Nature 126 (1930), S. 843-843 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I FEEL that ‘Student’ under-estimates the importance of differences in the two halves of a seed-drill. I have repeatedly found significant differences between adjacent rows in respect of such characters as plant-height, number of tillers per unit length of row, and, finally, yield per unit ...
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  • 33
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    Nature 126 (1930), S. 845-845 
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    Notes: [Auszug] ISHIDA has recently given clear experimental evidence that Stark levels with equal m values do not intersect (Sci. Pap., I.P.C.R., Tokyo, No. 260; 1930). With increasing field, the levels approach to a limiting separation and then recede. This feature of the investigation was limited to levels ...
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    Nature 126 (1930), S. 847-847 
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    Notes: [Auszug] THE remark on p. 633 of NATURE of Oct. 18 (Historic Natural Events, Oct. 19, 1920) that, “Owing to the unexpected development of a barometric depression … a very strong cold north-east wind sprang up at some height above the ground”, does not state the facts correctly and gives a misleading ...
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    Nature 126 (1930), S. 850-851 
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    Notes: [Auszug] IN the dispensary of the Hospital de Santo Spirito in Rome, there is preserved a quaint fresco which bears the inscription: Aegrotat Limae coniux Chinconia febrim Cortice mirando pocula tincta fugant. It depicts the Countess of Chinchon receiving from the hands of an Indian warrior the rare and ...
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    Nature 126 (1930), S. 857-857 
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    Notes: [Auszug] Comet 1930 g.-Circ. No. 304 of the I.A.U. Bureau, Copenhagen, announces the discovery of a comet of magnitude 13-5 by Prof. Nakamura at Kyoto, Japan, at 13h 50-0m U.T. on Nov. 13, its position being R.A. 3h 40m 41.5s, N. Decl. 18° 53' 25". The comet is 1930 g, being the seventh discovery this year, ...
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    Nature 126 (1930), S. 862-863 
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    Notes: [Auszug] THE twenty-eighth annual meeting of the South African Association for the Advancement of Science was held at Caledon on July 7-12, 1930, under the presidency of Mr. H. E. Wood, Union Astronomer. The meeting was well attended and eighty-two papers were read. The South Africa Medal and grant were ...
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    Nature 126 (1930), S. 867-868 
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    Notes: [Auszug] FRIDAY, NOVEMBER 28. INSTITUTION OF MUNICIPAL AND COUNTY ENGINEERS (Scottish District) (at County Buildings, Paisley), at 2.-T. Somers: The Sixth International Road Congress at Washington, D.C. GENETICAL SOCIETY (at Linnean Society), at 3.-A. E. Gairdner and Dr. C. D. Darlington: The Theory of ...
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    Nature 126 (1930), S. 797-799 
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    Notes: [Auszug] WHATEVER may be the outcome in the immediate future of the political situation in India, and however it may be affected by the Round Table Conference now sitting in London, it must be remembered that pledges have been given which would result in the exercise of the effective power of government ...
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    Nature 126 (1930), S. 757-757 
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    Notes: [Auszug] ALTHOUGH sex-linked characters are known in fowls, pigeons, doves, and canaries, none has hitherto been recorded in ducks. From the industrial point of view, a sex-linked character affecting the down of the newly hatched duckling, enabling the sexes to be distinguished at this stage, would be ...
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    Nature 126 (1930), S. 761-761 
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    Notes: [Auszug] MUNJISTHIN, a dihydroxyanthraquinone carboxylio acid occurring in Rubia tinctorum, Rubia sikkimensis, and Rubia munjistha, has been synthesised by us in the following way : 2 chloro-6-methoxy toluene (Ullmann and Pan-chaud; Annalen, 350, 108; 1906) is condensed with phthalic anhydride in ...
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    Nature 126 (1930), S. 761-761 
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    Notes: [Auszug] As the result of recent investigations carried out by me at Kirmington, I am able to state that the uppermost or ‘Brown’ Boulder Clay contains flint artefacts of Upper Palæolithic types, whilst from the immediately underlying Glacial (cannon-shot) Gravels I have recovered a series of derived ...
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    Nature 126 (1930), S. 761-761 
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    Notes: [Auszug] IN two previous papers,1 I have mentioned that water at ordinary temperature is not a suitable liquid for forming “liquid drops floating on the same liquid surface”. In August 1930, however, I observed at Den Kund (Dalhousie hills), at a height of about 1000 ft. above the ...
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    Nature 126 (1930), S. 762-766 
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    Notes: [Auszug] UNLIKE the chemist, the animal cell has a very limited choice of raw materials from which synthesis must start. These are the components of the common foodstuffs. When they have undergone the preliminary processes of digestion they provide in all about thirty substances which may be regarded as ...
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    Nature 126 (1930), S. 790-790 
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    Notes: [Auszug] MR. A. H. MALPAS, in his work entitled " Preliminary Account of the Results of Drift Bottle Experiments in the Gulf of Mannar" (Ceylon Journal of ScienceSection C, Fisheries: Bulletin of the Ceylon Fisheries, vol. 4, April 1930), describes the continuation of the experiments initiated by Mr. James ...
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    Nature 126 (1930), S. 792-792 
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    Notes: [Auszug] Nov. 16-18, 1928. Storms over British Isles.This was a very stormy period over the British Isles and neighbouring parts of Europe. A deep barometric depression lay north of Scotland and a series of intense secondaries crossed England and the southern North Sea, bringing winds of nearly 90 miles ...
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    Notes: [Auszug] THIS is the third volume of a useful electromechanical encyclopaedia. The author classifies electric apparatus into four groups. First, there is small apparatus, that is, apparatus for use at low voltages and that does not take a current greater than twenty-five amperes; next he deals with large ...
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    Nature 126 (1930), S. 680-680 
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    Notes: [Auszug] IN this brilliant and inspiring book, Prof. Dewey attempts to apply in philosophy the thought which is effective in dealing with any genuine question, from the elaborate problems of science to the practical deliberations of daily life. In his opinion, the break between the two realms is the cause ...
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    Nature 126 (1930), S. 681-681 
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    Notes: [Auszug] THE author holds the view that the usual practical training of chemistry students is unsatisfactory, and that " there is a marked tendency for a student to obtain a first-class degree without finding out anything at all". He proposes, as a remedy, to introduce a proportion of research into the ...
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    Nature 126 (1930), S. 677-679 
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    Notes: [Auszug] TIME, which is considered as a necessary element of history, nay, as the very substance of history itself, has now found its own historian. In his lucid and useful book on " The Problem of Time ", Prof. Gunn guides us through the slippery paths and thorny places of the mono-dimensional field of ...
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    Nature 126 (1930), S. 681-681 
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    Notes: [Auszug] MR. TILNEY is both a painter and a photographer, but above all he is a critic whose writings on photographic subjects during the past twenty years or more have been the best informed and most understanding of any. Whilst this, his latest book, is not specially concerned with photography, in that it ...
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    Nature 126 (1930), S. 682-682 
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    Notes: [Auszug] IN NATURE of April 20, 1929 (123, p. 601), one of us (H. R.) described a method of spectrographic analysis of mineral and organic substances and pointed out the value of the method for biological purposes. Since then we have undertaken a survey of the animal kingdom with the purpose of ...
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    Nature 126 (1930), S. 693-694 
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    Notes: [Auszug] THE death of Dr. Ernest Henry Wilson on Oct. 15, as the result of a motoring accident, will be lamented in botanical and horticultural circles, not only in Britain and America, but also throughout the world, for Wilson's activities were truly international. The news to hand from the Arnold ...
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    Nature 126 (1930), S. 705-706 
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    Notes: [Auszug] DARWIN'S "Descent of Man" was a challenge to the complacent dualism which had permitted utilitarian science and humanistic philosophy to pursue an independent course from the days of the schoolmen to the middle of the nineteenth century. Today it is evident that the social sciences can no longer ...
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    Nature 126 (1930), S. 706-707 
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    Notes: [Auszug] M. R. C. C. PATERSON, president of the Institution L of Electrical Engineers, gave his inaugural address on Oct. 23. His subject was research, and he illustrated it with many brilliant and novel experiments. It rivalled the address on ' pressure rises ' given by the late W. Duddell in 1913, when ...
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    Nature 126 (1930), S. 644-644 
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    Notes: [Auszug] THE twentieth century, and especially the last -L decade, has seen a remarkable development of consideration by working scientists of the philosophic implications of their labours. Biologists, as well as workers in the physical sciences, are studying the theory of knowledge in the light of their ...
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    Nature 126 (1930), S. 646-647 
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    Notes: [Auszug] AN article on the “Transport of Stones by Attached Seaweed” in NATURE of Feb. 8 suggests some interesting lines of thought. During the last two years, I have explored some 600 miles of coast in Western Australia, but have seen nothing comparable to the cases cited below or in the paper quoted, ...
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    Nature 126 (1930), S. 649-649 
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    Notes: [Auszug] I HAVE made a study of the dielectric constant of ethyl ether as a function of temperature with the aid of high frequency electromagnetic oscillations, using the method described by M. Wolfke and W. Keesom, Comm. Leiden, 190 a. The construction of the measuring condenser has permitted the ...
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    Nature 126 (1930), S. 662-664 
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    Notes: [Auszug] A Survival in Sind.-Mr. Ernest Mackay, in the Journal of the Royal Anthropological Institute, vol. 60, pt. 1, in describing the pottery-making industry of Balreji village, two miles south-east of the ancient site of Mohenjo-daro, singles out a number of details in which he sees resemblances to the ...
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    Nature 126 (1930), S. 667-667 
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    Notes: [Auszug] A FOREWORD explains that the pamphlet referred -£*- to below is published primarily for the benefit of officers engaged in field experimentation in the Madras Presidency. It is divided into three parts; the first introductory, dealing with the general principles underlying the work and with ...
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    Nature 126 (1930), S. 610-619 
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    Notes: [Auszug] WHEN in 1924 it was decided to take up again with renewed energy the development of airships, it at once became clear that a prime necessity was a specialised meteorological service devoted entirely to airship problems. What exactly were those problems was not known: weather forecasting was ...
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    Nature 126 (1930), S. 603-604 
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    Notes: [Auszug] As has already been reported (see NATURE, Aug. 9, 1930), the frequency of light scattered by liquids or crystals is split into several components, and their position in the case of strongly scattering liquids like benzene and toluene may be represented by the expression .... The study of ...
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    Nature 126 (1930), S. 605-606 
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    Notes: [Auszug] MATTER is made up of atoms, each consisting of a number of electrons moving round a central nucleus. It is likely that the nuclei are not simple particles, but are themselves made up of electrons, together with hydrogen nuclei, or protons as they are called, bound very strongly together. There ...
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    Nature 126 (1930), S. 611-618 
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    Notes: [Auszug] FROM the point of view of the electron theory, a metal is any solid which is a good conductor of electricity. In attempting to survey roughly the present position of the electron theory of metals, I cannot guarantee that what I say will be everywhere up-to-date, but I shall be satisfied if I can ...
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    Nature 126 (1930), S. 625-625 
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    Notes: [Auszug] Recent Sunspots.-A large group of spots has recently passed across the sun's disc, with the centre of which it was almost coincident on Oct. 11-0. This group, visible for some days to the naked eye, is the largest that has appeared since last December. Its formation was that of a stream or ' ...
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    Nature 126 (1930), S. 630-631 
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    Notes: [Auszug] IT is well known that locusts migrate, but few realise that similar movements take place in other insects, and particularly in the dragonflies and the butterflies and moths. The evidence for such movements is chiefly of two kinds. First, it is found that some insects exist over large areas only for ...
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    Nature 126 (1930), S. 633-633 
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    Notes: [Auszug] Oct. 19, 1800. Hailstorm in Bedfordshire.-During a violent thunderstorm in Bedfordshire, hailstones fell, shaped like oblate spheroids, six to nine inches in circumference. Oct. 19, 1917. Unexpected Upper Winds.-A fleet of thirteen Zeppelin airships attacked London on Oct. 19 in weather conditions ...
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    Nature 126 (1930), S. 634-635 
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    Notes: [Auszug] PARIS Academy of Sciences, Sept. 8.-W. Vernadsky: The radium in aquatic organisms. The amounts of radium in different species of Lemna growing in lakes containing known amounts of radium have been determined. The concentration of radium in the living plant is 100-650 times that present in the ...
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    Nature 126 (1930), S. 557-559 
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    Notes: [Auszug] THE discussion on folk museums which took JL place in the Anthropological Section of the British Association at' the recent Bristol meeting was singularly opportune. Following within a week or two on Mr. Lansbury's announcement of the appointment of a committee representing the Office of Works and ...
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    Nature 126 (1930), S. 564-564 
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    Notes: [Auszug] THE Henri Poincare* Institute invites leading scientific workers to lecture on recent progress in mathematical physics. The "Annales ", of which the first number has just appeared, will contain a French translation of these lectures. In the present number we have Einstein on the unitary field ...
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    Nature 126 (1930), S. 565-566 
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    Notes: [Auszug] IN working with spectra in the extreme ultra-violet at the physical laboratory in Uppsala, I have been able to observe a hyperfine structure in some spectral lines in the region 1400–800 A. The lines investigated are due to higher ionisation stages of thallium and bismuth. For thallium, ...
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    Nature 126 (1930), S. 568-568 
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    Notes: [Auszug] IF the carrier wave of a wireless transmitter he increasing steadily in frequency, then a given receiving station will in general pick up two waves differing in frequency. One of these waves will have reached the receiver by the shortest path along the ground, while the other will arrive after ...
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    Nature 126 (1930), S. 569-572 
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    Notes: [Auszug] for many centuries nitrogen was used as a fertiliser in the form of farmyard manure, and certain rotations of crops, which kept up the nitrogen in the soil, had been popular; but it was not until 1840, when Liebig first pointed out the true function of nitrogen, potash, and phosphorus, that ...
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    Nature 126 (1930), S. 575-575 
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    Notes: [Auszug] WE regret to announce the following deaths: Mrs. Anna Botsford Comstock, emeritus professor of nature study at Cornell University, and wife of Prof. J. H. Comstock, emeritus professor of entomology in the same university, on Aug. 23, aged seventy-five years. Rev. J. G. Hagen, S.J., director of ...
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    Nature 126 (1930), S. 590-590 
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    Notes: [Auszug] Oct. 13, 1913. Low Temperature in the Upper Air. It has been known for many years that at high levels over temperate and equatorial regions the temperatures of the air are far lower than any ever recorded on the earth's surface. The lowest known temperature above the British Isles is - 98° F. which ...
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    Nature 126 (1930), S. 590-591 
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    Notes: [Auszug] LONDON. Society of Public Analysts, Oct. 1. G. W. Baker: Scientific evidence relating to firearms, with special reference to a recent murder trial. Scientific methods of investigation were used in examining the bullet and cartridge case found on the scene of a murder in Jerusalem in August 1929. ...
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    Nature 126 (1930), S. 500-500 
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    Notes: [Auszug] FROM many investigations it is well known that bismuth shows very variable behaviour. We have investigated a very pure specimen ; Hilger's bismuth was purified still further. The crystals made from this material proved to be excellent. With X-rays they show very sharp interference spots or ...
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    Nature 126 (1930), S. 530-530 
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    Notes: [Auszug] THIS book has been prepared by the economic and statistical department of the British Electrical and Allied Manufacturers' Association; the statistical data given in it can therefore be trusted as approximately correct. It is very difficult to deduce rigorous conclusionsfrom statistics, but some of ...
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    Nature 126 (1930), S. 504-504 
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    Notes: [Auszug] THE ordinary laboratory bridge method of measuring electrolytic resistance employing a telephone is somewhat unsatisfactory, owing to the difficulty of accurately judging the position for minimum sound in the telephones. Experiments made by different observers are, for this reason, often liable ...
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    Nature 126 (1930), S. 531-531 
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    Notes: [Auszug] ALL engineers who are engaged in one or other of the numerous branches of electrical communication should know something of the theory of ' repeated ' networks. These networks occur in artificial transmission lines, in line balances, in filters, and in phase shifters, all of which are of increasing ...
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    Nature 126 (1930), S. 532-532 
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    Notes: [Auszug] IN continuation of Prof. Picard's course at the Sorbonne, this work is the third volume published in the ' Cahiers scientifiques ' series. As would be expected from so distinguished an author, the book is a distinct mathematical contribution to both pure analysis and physics. The text is, for ...
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    Nature 126 (1930), S. 110-112 
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    Notes: [Auszug] Tubuai.-An account of Tubuai, one of the Austral Islands, based upon material collected by the Bayard Dominick Expedition, is given by Mr. Robert T. Aitken in Bull. 70 of the Bernice P. Bishop Museum of Honolulu. This islancL lies ab6ut 400 miles south of Tahiti and is evidently of volcanic origin. ...
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    Nature 126 (1930), S. 113-113 
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    Notes: [Auszug] THE Metropolitan-Vickers Electrical Co., Ltd., has developed small induction furnace equipments which are particularly suited for laboratory work. They were originally designed for the Company's own research laboratories, but they are now made commercially. The Imperial Chemical Industries, Ltd., ...
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    Nature 126 (1930), S. 341-343 
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    Notes: [Auszug] THERE is a peculiar irony in the fact that the method of investigation which in the nine-teenth century was responsible for the greatest revolution ever effected in man's outlook and appreciation of his own place in Nature should at present be despised and rejected by so manybiologists. The ...
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    Nature 126 (1930), S. 50-51 
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    Notes: [Auszug] WITH the need for the development of our resources in the tropical colonies brought so prominently before us in recent years, it is surprising that we have been so long without an up-to-date text-book on tropical agriculture. The want of such a book has long been felt; the reviewer has frequently ...
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    Nature 126 (1930), S. 52-52 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. RICHARDSON has followed his recent " Text-Book of Sound " with an attractive book founded on the 1929 Martin White lectures given at the Northern Polytechnic, London. The subject of the lectures was the tone production of the organ and other wind instruments, and forms the basis of the first ...
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    Nature 126 (1930), S. 346-346 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE object of this survey is " to present throughout a period of years a complete survey of American chemistry ", not, it will be noted, an American survey of chemistry, quite another and a much more acceptable thing to non-American chemists. The endowment of science with a national label would be ...
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    Nature 126 (1930), S. 346-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are many popular books on the sea but they commonly err in trying to combine its science in a single volume. The physics and chemistry are often so cut down that the biologist is not given the basal facts on which the understanding of his prob-lems depends, while the general reader is left ...
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    Nature 126 (1930), S. 347-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book is intended primarily for the junior and senior engineering students of the Massachusetts Institute of Technology who are not specialising in electrical engineering. It contains an outline of lectures previously given by the author. These lectures are now discontinued, and in their place ...
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    Nature 126 (1930), S. 347-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PEOT. MACLEOD'S text-book is now well established in the literature, in fact, it has reached its sixth edition in the course of twice as many years. It blends under one cover general and special physiology and biochemistry and applied or clinical physiology: it is larger than works de-voted to ...
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 347-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. DRAPER provides us with a very interesting sidelight on the relation between disease and the type, physical and mental, of the patient. This book forms a useful extension to disease of the work of Kretschmer on the relation of bodily type to character. Anthropometric data are all too little ...
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 347-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book is indispensable to all biologists inter-ested in the life of the ocean. The families, genera, and species are clearly defined and well illustrated, their distribution properly recorded. There is a good bibliography. An introductory chapter gives a brief account of the general morphology, ...
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    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 348-348 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOLLOWING the successful analysis of chromium announced in NATURE of Aug. 9, I have now been able to apply similar methods to molybdenum. The mass-spectrum of this element is a remarkable one, and the credit of its discovery rests with Dr. A. v. Grosse, who prepared the specimen of molybdenum ...
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    Nature 126 (1930), S. 52-53 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PRIMARILY this work appears to have been written with the view of helping the mining engineer to understand more thoroughly the principles mentioned. Undoubtedly it will clear up many abstruse points for the practical engineer, but the strongly mathematical treatment makes it a work for the ...
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    Nature 126 (1930), S. 53-53 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are few subjects in which the preparation of a text-book presents greater difficulties than ethnography, especially if for various reasons it is necessary to keep within a moderate compass. Prof. Havemeyer's " Ethnography" has been written with the special view of the significance of the ...
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    Nature 126 (1930), S. 55-55 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the summer of 1929 measurements were made on interference voltages received on a submarine cable in Trinity Bay, Newfoundland. The interference voltages were impressed on a vacuum tube amplifier capable of a power amplification of the order of 1015. The amplifier and ...
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    Nature 126 (1930), S. 58-58 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent publication (Proc. Roy. Soc., 127, 279; 1930; see also NATURE, 124, p. 762; 1929) Ramakrishna Rao has shown how the Raman effect can be applied, in the case of nitric acid in solution, to demonstrate the increase of ionisation with dilution. In repeating his ...
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    Nature 126 (1930), S. 63-64 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CRIMINAL statistics, apart from their primary purpose, usually afford some interesting sidelights on social habits and in particular on any changes which are taking place in the daily life of the community with which they deal. For example, in the criminal statistics of England and Wales for the ...
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    Nature 126 (1930), S. 65-70 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his recent presidential address to the Institute of Mining and Metallurgy on " Periodical Variations in the Prices of Minerals and Metals ", Mr. James G. Lawn pointed out that variations in the price of minerals and metals over short periods of years affect the mining engineer very closely and ...
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    Nature 126 (1930), S. 75-76 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE forty-first annual conference of the Museums Association, which met at Cardiff, on June 23-27, by invitation of the Lord Mayor and Corporation and of the National Museum of Wales, was successful in all aspects. It was attended by more than 230 delegates and other members from all parts of the ...
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