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  • Nature Publishing Group  (10,152)
  • Wiley  (6,883)
  • American Institute of Physics (AIP)
  • 1925-1929
Collection
Years
Year
  • 101
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    [s.l.] : Nature Publishing Group
    Nature 124 (1929), S. 670-671 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To those familiar with the intricacies of British law in so far as it demands the services of the chemist, and familiar also with the numerous kinds of chemical inquiry necessary for the proper function- ing of the government departments, the Report of the Government Chemist upon the work of the ...
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  • 102
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    Nature 124 (1929), S. 676-676 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FRIDAY, OCTOBER 25. ASSOCIATION OF ECONOMIC BIoIooISTS (in Botany Lecture Room, Imperial College of Science and Technology), at 2.30.–Prof. R. Stenhouse Williams and Members ofthe Staffof the National Institute for Research in Dairying, Shinfleld, Reading: The Scope of the Work of a Research ...
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  • 103
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    Nature 124 (1929), S. 605-607 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "IT is inconceivable", says Miss Caton-Thompson in a communication dealing with her recent investigations among the ruins of Rhodesia which we print in another part of this issue, "how a theory of Semitic origin [of the Zimbabwe] could ever have originated. Every detail in plan, building, and ...
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  • 104
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] (1)A SMALL committee of experts and a great deal of space would be required for an exhaustive review of this volume, in compiling which the editor has evidently been guided by Goethe's maxim: "Wer Vieles bringt, wird Jedem etwas bringen ". A liberal interpretation of this principle has, perhaps ...
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  • 105
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    Nature 124 (1929), S. 611-611 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE authors have set themselves no small task in attempting to provide a pictorial presentation of the natural vegetation of the whole world. The present volume, the second in the series but the first to be published, deals with the phytogeographical region of the European Mittelgebirge of Engler's ...
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  • 106
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    Nature 124 (1929), S. 612-612 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. SWIETOSLAWSKI is a well-known authority on thermochemistry and is exceptionally well qualified to deal with "experimental methods and analysis of thermochemical data with special reference to organic compounds ". The present volume is the seventh of a series, of which some earlier numbers ...
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  • 107
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    Nature 124 (1929), S. 612-613 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preface of this book states very plainly that it is intended for medical men as distinct from research workers, and that on this account the arrangement of the groups differs from that usually adopted by zoologists. This precludes criticism from the purely zoological point of view. The authors ...
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  • 108
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    Nature 124 (1929), S. 760-760 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAD noted on my farm for many years the animals, especially pigs, that had been fed on home ground and home grown wheat and barley thrived better than those fed on purchased barley meal and ‘cake’. Following upon this, I pegged out in one of my fields two areas: one area was dressed ...
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  • 109
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    Nature 124 (1929), S. 616-617 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is an interesting feature of the recent great advance in the art of weather forecasting that it has proceeded in independence of such small store of empirical precepts as had already been gathered in the long ages of crude observation. So far as can be made out by the layman, the official ...
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  • 110
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    Nature 124 (1929), S. 766-767 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was in 1829 that Adolphe Brongniart first described â graptolites â, two of them, and both from the black carbonaceous shales of the Point Levis cliffs opposite the city of Quebec, Canada. Brongniart was a botanist, and although graptolites are marine animals of the hydroid type, these two ...
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  • 111
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    Nature 124 (1929), S. 767-772 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] His MAJESTY THE KING has approved of the follow- ing awards this year by the president and council of the Royal Society in respect of the two Royal medals: A Royal medal to Prof. J. E. Littlewood, for his work on mathematical analysis and the theory of prime numbers. A Royal medal to Prof. R. ...
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  • 112
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PART 2 of this work comprises 44 families from Sterculiacea to Umbellifera in the phylogenetic order devised by Mr. J. Hutchinson, one of its authors. Several families of great importance from the botanical as well as the economic point of view are included, such as the Malvacee, Euphorbiace e, ...
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  • 113
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    Nature 124 (1929), S. 618-618 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his very interesting presidential address to Section G (Engineering) of the British Association, portions of which appear in NATURE of Sept. 14, Prof. F. C. Lea attributes to J. V. Poncelet the enunciation of “the guiding principles underlying the design of vanes receiving moving ...
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  • 114
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    Nature 124 (1929), S. 572-572 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first chapter of the new and enlarged edition contains a short historical survey of the subject, accompanied by some excellent illustrations of kohl pots and other adjuncts of the perfumer in use among the ancient Egyptians, Greeks, and Romans. A general account of the occurrence and separation ...
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  • 115
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    Nature 124 (1929), S. 573-573 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HAUSBRAND'S work, the first English edition of which appeared in 1903, has long been recognised as an authority on the subject. It sets before the engineer, in a readily applicable form, the results of experiments in physics and of large-scale plant processes, and contains a number of valuable ...
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  • 116
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    Nature 124 (1929), S. 574-574 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WESENBURG-LUND, Thienemann, and others have for years been emphasising the need for more detailed studies of tropical fresh waters. Having recently been enabled, through the help of the British Association and the Percy Sladen Memorial Trust, to make a short investigation of some lakes in the ...
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  • 117
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    Nature 124 (1929), S. 578-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE letter of Prof. Thomas Dillon in NATURE of Feb. 2, p. 161, on this subject has suggested to us that the following preliminary report may be of general interest. Our observations being a part of the thesis for the doctorate of Karl Closs, will be published in detail later. In carrying ...
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  • 118
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    Nature 124 (1929), S. 579-579 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Planaria alpina has been considered as very limited in its distribution and has played an important part in the theoretical discussions of the preglacial and the postglacial fauna of Europe. It has been reported from England, from various parts of southern Europe, from Scandinavia (cf. A. ...
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  • 119
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    Nature 124 (1929), S. 579-579 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the period Jan. 28–Feb. 3, 1929, an intense cold wave overran the whole of the north-west and centre of India, where surface temperature went down to about 12° C. below normal, several stations recording the lowest temperature in the last four or five decades. The results of a few ...
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  • 120
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    Nature 124 (1929), S. 589-589 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is not easy to express in these columns the deep loss which science has sustained by the death of Lady Bragg on Sept. 29. She possessed the quality of radiating the sunshine of life wherever she was at the University of Leeds, University College, London, and since 1920 at the Royal Institution ...
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  • 121
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    Nature 124 (1929), S. 596-598 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Antiquities from Lambay, Co. Dublin.-Sorne forty objects found during the building of a sea-wall on the island of Lambay in 1927, and presenting some remarkable features, are described by Prof. R. A. S. Macalister in Vol. 38, Sect. C, 8-9 of the Proceedings of the Royal Irish Academy. They belong ...
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  • 122
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    Nature 124 (1929), S. 601-601 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are already observatories at the Imperial L College of Science and Technology, University College, and the Drapers' Company Transit House, but there was felt to be need for further opportunities in the University of London for research work. Prof. L. N. G. Filon and Mr. C. C. L. Gregory were ...
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  • 123
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    Nature 124 (1929), S. 601-601 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE study of biology in the universities was one of the two subjects discussed at the annual conference of the universities of Great Britain and Ireland, held this year at the London School of Economics on May1 . One of the questions dealt with was whether the universities are sufficiently active ...
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  • 124
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    Nature 124 (1929), S. 508-509 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dr. ARTHUR W. HILL has suggested to me that the following notes on the native names mentioned in his article in NATURE of July 27 will be of interest. (1) Niur. Coconut. The gestures of tongue and lip which produce this word are: N. Tongue tip elevated to close against the palate, and ...
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  • 125
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    Nature 124 (1929), S. 512-512 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the diverse opinions held by pedologists as to the occurrence of laterites in extra-tropical regions, I wish to direct attention to what I regard as a true laterite in Southern Queensland. Some authorities, of whom one need mention only Glinka, appear to hold that true ...
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  • 126
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    Nature 124 (1929), S. 513-513 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN I was studying the subject of dew-ponds, I made many hundreds of experiments on dew, and these went to show that under suitable conditions there may be upward dew or downward dew. In his “Essay on Dew”, 1814, republished in 1866, Wells stated that dew was formed from moisture already ...
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  • 127
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    Nature 124 (1929), S. 516-518 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the most significant of recent movements in education is the change of attitude towards the mental development of the very young child. Until comparatively recently, the physical condition of the child up to the age of six years was the only matter that appeared to need serious attention. ...
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  • 128
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    Nature 124 (1929), S. 49-50 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE problems presented by the need for specialisation in science have been evident long enough to become a commonplace, but recent years have seen them grow rapidly more acute and insistent. In physics, for example, the yawning gulf grows daily more apparent, and, by a curious paradox, the more ...
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  • 129
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    Nature 124 (1929), S. 51-52 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THESE two books form Volume 6 of the now well- known ?Annual Tables ?, published under the auspices of the Union of Pure and Applied Chemistry. During the War, the annual nature of the publication became a misnomer, but the arrears are gradually being overtaken, and the present volumes contain the ...
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  • 130
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    Nature 124 (1929), S. 52-52 
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    Notes: [Auszug] PROBABLY at the present time there is no one competent to write a really good text-book on applied geophysics, but the strong demand for information on the subject has stimulated the production of many books, which fall short of the ideal in very different degrees. Dr. Ambronn's work is perhaps ...
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  • 131
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    Nature 124 (1929), S. 53-53 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THE change in shape of a body, when magnetised, may be accounted for by two causes. First the stresses produced by the magnetic forces act on the magnetic poles of the magnetised body. This effect, which we shall call the classical magnetostriction, is in a given magnetic field completely ...
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  • 132
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    Nature 124 (1929), S. 54-55 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] ON Nov. 20, 1926, NATURE published an article by me with the above title, in which I described an instrument which I had constructed in the year 1900, for investigating the progress of a lightning flash; and in the issue of Sept. 1 of last year I gave an account of the first successful ...
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  • 133
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    Nature 124 (1929), S. 6-6 
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    Notes: [Auszug] THE valuable series of memoirs on plant- geography edited by Profs. Engler and Drude under the title ?Die Vegetation der Erde? is familiar to every well-equipped botanist. But, as Prof. A. G. Tansley remarks in his editorial preface to the present volume, it is scarcely creditable to the Empire ...
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  • 134
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    Nature 124 (1929), S. 8-8 
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    Notes: [Auszug] Two years ago, Capt. Sumner published the first of his two volumes on ?The Science of Flight and its Practical Application ?, in which he confined his attention to the development of airships and kite balloons, the scientific principles involved, and the construction and equipment of such machines. ...
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    Nature 124 (1929), S. 56-57 
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    Notes: [Auszug] ON the night of May 17–18, 1929, between 1.5 h. and about 5.5 h. Greenwich civil time (18 d.) a moving picture was made here of the lunar crater Copernicus, showing changes in the shadows at sunrise. A Victor kinema camera, using amateur-size film (16 mm.), was employed, attached in the focal ...
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    Nature 124 (1929), S. 57-57 
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    Notes: [Auszug] IN view of the interesting observations of Rasetti with carbon dioxide (NATURE, Feb. 9. 1929), the Raman spectrum of which was found to contain no lines corresponding to any of the observed infra-red absorption bands, the results obtained in the analogous compound carbon disulphide may be ...
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    Nature 124 (1929), S. 62-64 
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    Notes: [Auszug] WHEN a cell divides to produce two daughter cells having the same genetical properties as itself, the nucleus resolves itself into a definite number of structures, the chromosomes. These, splitting lengthwise, give rise to two identical groups which go to make the daughter nuclei. In this process, ...
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    Nature 124 (1929), S. 443-444 
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    Notes: [Auszug] DURING the past year a further study has been made of the decay of the nitrogen afterglow and the phenomena connected with the production both of this luminosity and the accompanying chemical activity; while the minutiæ of the quantitative parts of the investigation remain to be examined more ...
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  • 139
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    Nature 124 (1929), S. 444-444 
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    Notes: [Auszug] IN a communication in NATURE of Aug. 10, Prof. E. W. MacBride, while admitting the reality of natural selection, denies that it applies to random variation. He dismisses ill-adapted types found in Nature as “pathological”, and states that selection favours “the most vigorous individuals”. It is ...
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  • 140
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    Nature 123 (1929), S. 792-792 
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    Notes: [Auszug] IT is several years since Jung's " Psychological Types" was published in this series, and the present volume is the first of the author's works to appear in English since then. It is well known that there is, under the name psycho-analysis, no common body of doctrine which is held by its most ...
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  • 141
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    Nature 123 (1929), S. 792-792 
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    Notes: [Auszug] THE principal alterations in the sixth edition of this excellent and well-produced text-book are the revision and extension of the chapters on sex, embryology and evolution. A " concise account " -about a page-of the snail (Helix) has been added, but this is too short to be really serviceable. It ...
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    Nature 123 (1929), S. 796-797 
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    Notes: [Auszug] IT is an established fact that wireless signals transmitted from any place are readily received at the diametrically opposite place on the globe. The explanation usually given of the phenomenon is that the ions in the Heaviside layer make the speed of propagation of the waves greater in that ...
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  • 143
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    Nature 123 (1929), S. 798-799 
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    Notes: [Auszug] WE have now been working on problems connected with andrœcial and gynæceal variation in Ranunculus for several years and wish to supplement the remarks by Mr. J. Parkin in his letter published in NATURE of April 13, p. 568. Plants of R. acris and R. bulbosus with the stamens partially or ...
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    Notes: [Auszug] IN accordance with the provisions of the International Rules of Zoological Nomenclature, the attention of the zoological profession is hereby invited to the fact that the secretary of the International Commission on Zoological Nomenclature is recommending to the Commission the nomenclatorial ...
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    Nature 124 (1929), S. 449-452 
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    Notes: [Auszug] EARLTER CHAPTERS OF THE HISTORY OF THE PLANT WORLD. IT may be helpful as a preliminary to my treat- ment of certain aspects of plant-life in former ages to glance at a table of contents of the geological history of the world. The crystalline rocks classed by geologists as Archaan represent ...
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    Notes: [Auszug] THE most important legislation affecting the welfare of migratory birds, since the Migratory Bird Treaty Act of 1918 between the United States and Canada, was passed by the U.S. Senate on Feb. 11, and signed by President Coolidge on Feb. 18. This was the Norbeck-Andresen Migratory Bird Conservation ...
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    Nature 123 (1929), S. 815-816 
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    Notes: [Auszug] FOR many years past the accommodation in the Department of Zoology at Edinburgh has been inadequate to meet modern needs and to cope with the number of students studying the subject. In 1923 the late Mr. Laurence Pullar, of Bridge of Earn, visited the Department and was deeply impressed with the ...
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    Nature 124 (1929), S. 455-455 
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    Notes: [Auszug] WE regret to announce the following deaths: Mr. Arthur Berry, O.B.E., vice-provost of King,s College, Cambridge, author of a "Short History of Astronomy" and of many mathematical papers, on Aug. 15, aged sixty-six years. Mr. Anthony Collett, author of "The Heart of a Bird" and other natural ...
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    Notes: [Auszug] IT is but a few weeks ago that we were giving a welcome to the first publication (Memoirs, vol. i. No. 1), issued from the Solar Observatory of the Australian Commonwealth, at Canberra; and now to our deep regret comes the news of the death, on Aug. 1 after a brief illness. of Dr.Walter Geoffrey ...
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    Nature 123 (1929), S. 753-754 
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    Notes: [Auszug] GEOPHYSICS, like astronomy, is advanced I jointly by observation and theoretical discussion, and direct experimental illustration of its phenomena is rarely possible. The inclusion of this book in a ' handbook ' of experimental physics is therefore slightly anomalous, but the volume is none the ...
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    Notes: [Auszug] THE lack of a short but comprehensive work dealing with rock analyses has inspired Prof. Jakob to produce this book, which is intended primarily for the use of students in the laboratory. It may be placed in the hands of a beginner possessing a sound knowledge of general chemistry, and will enable ...
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    Nature 123 (1929), S. 592-592 
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    Notes: [Auszug] FRIDAY, APRIL 12. ROYAL SOCIETY OP ARTS (Indian Section), at 4.30.A. T. Cooper: Recent Electrical Developments in India. ROYAL ASTRONOMICAL SOCIETY, at 5.L. Rosenhead: The Annual Varia tion of Latitude.E. A. Kreiken: On the Dwarf Nature of the Spectroscopic Binaries. H. Horrocks: The ...
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    Notes: [Auszug] IN a letter in NATURE of Mar. 16, Mr. N. K. Adam describes the floating of small globules of mercury on a water surface, even when the latter was considerably contaminated. He concludes that for equilibrium to be possible, the mercury-air tension must have been reduced by the order of one or ...
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    Notes: [Auszug] DR. F. W. ASTON has remarked (NATURE, 123, 488; Mar. 30, 1929) that he finds no positive ray evidence for the existence of isotopes of oxygen, and he states that if 018 exists, as concluded by Giauque and Johnston (NATURE, 123, 318; Mar. 2, 1929), it must be in a ...
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    Nature 124 (1929), S. 464-465 
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    Notes: [Auszug] THREE Cantor Lectures on the " Treatment of Coal " were delivered last winter before the Royal Society of Arts by Dr. C. H. Lander, Director of Fuel Research; these have been printed in the Society,s Journal of Aug. 9, 16, and 23. The first lecture details steps taken in Great Britain to standard- ...
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    Notes: [Auszug] RESEARCHES in East Anglia of considerable L L general importance were described at the summer meeting of the Prehistoric Society of East Anglia, held at the Royal Anthropological Institute in June last. The president, Mr. J. E. Sainty, of Norwich, gave an account of investigations undertaken by aid ...
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    Notes: [Auszug] IN a recent lecture before the London and South- Eastern Counties Section of the Institute of Chemistry, R. C. Frederick discussed some of the problems involved in securing adequate ventilabion under various conditions. He also reviewed some of the work (to which he has himself contributed) which ...
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    Notes: [Auszug] September 22, I 856. The invention for which a patent was granted to Robert F. Mushet on Sept. 22, 1856, was very largely responsible for the immediate success of the Bessemer steel process. By the addition of from one to five per cent of molten spiegeleisen to the iron treated by the Bessemer ...
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    Nature 123 (1929), S. 524-524 
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    Notes: [Auszug] THE editors direct attention to two distinct processes for making both /?-chloropropionic acid (from acrolein or trimethylene chlorohydrin) and trimethylacetic acid (from tert. -butyl chloride or pinacolone). One of the most interesting of the preparations included in the volume is that of ...
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    Notes: [Auszug] THE pages are not very large, nor are they exceedingly numerous, but M. Vial has justified the title of " Manual of Photography " by giving the essence of each subject described, and avoiding such matter as belongs more properly to trade lists and circulars. The treatment is quite modern, including ...
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    Notes: [Auszug] FROM extrapolation of X-ray data, it is known that the electrons in the N1 (and N2) shell of the ions of the rare earths possess less energy than those in the 0 shells. Expressed in terms of the Bohr-Stoner scheme, the electrons in the 44 shell are held less ...
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    Notes: [Auszug] IT is well known from the experiments of Lindh and others that when pure metals are examined, in general no fine structure edges (as distinguished from the secondary absorption edges) are observed. If, as is generally believed after Kossel, the fine structure edges originate in the removal of ...
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    Notes: [Auszug] FOLLOWING a suggestion from Dr. A. v. Hippel, of the University of Jena, I have tested the following optical method of analysing the right-angle views of α-ray forks. The double camera for photographing α-ray tracks is represented diagrammatically in Fig. 1. These cameras take two views ...
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    Notes: [Auszug] IN NATURE of April 27 there appears an article on mimicry by Dr. Hale Carpenter, of Uganda, in which he pays me the compliment of quoting extensively from an essay of mine on evolution which appeared in the volume “Evolution in the Light of Modern Knowledge”. In Dr. Carpenter's article he ...
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    Notes: [Auszug] IN spite of the cause of the plasticity of clays having been the subject of much speculation, no generally accepted theory appears to have been developed. The following measurements of water absorption and some other properties of clays throw further light on the problem and appear to me to be ...
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    Notes: [Auszug] THE development of science involves the two JL processes of collecting facts and of elucidating their relations. In the early days common experience so abounded with unrelated facts that an alert and contemplative mind was an adequate equipment for the man of science and could readily find material ...
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    Notes: [Auszug] DR. ERNEST WARREN, in his interesting letter published in NATURE of Feb. 23 (p. 278), suggests that the assembling of male moths around the female is evidence for the existence of “recondite influences”. It is, however, clear that the flight of the males is stimulated and directed by air-borne ...
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    Notes: [Auszug] THE representation of the vibrant effect of sheer sunlight is a relatively modern achievement in painting, which has, however, passed through the experimental stage, and is well given in Mr. H. H. La Thangue's two pictures, Provencal Workers (34) and A Proven9al Forecourt (488), and vibrance is ...
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    Notes: [Auszug] IN his Ludwig Mond lecture, delivered recently at the University of Manchester, the main part of which appears as a supplement to this issue of NATURE, Prof. A. V. Hill refers to the value of experiments carried out on isolated animal tissues for the elucidation of the phenomena of life, and ...
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    Notes: [Auszug] CAMBRIDGE.-The President of the Committee of the Privy Council for Scientific and Industrial Research has approved the application for a grant of £1500 to the University for the erection of the liquid hydrogen plant at the magnetic laboratory. The following grants have been made from the Worts ...
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    Notes: [Auszug] BRITISH. The Tea Besearch Institute of Ceylon. Bulletin No. 3: Annual Report for the Year 1928. Pp. 67 + 3 plates. (Randy.) Memoirs of the Department of Agriculture, Trinidad and Tobago. No. 4: The Useful and Ornamental Plants of Trinidad and Tobago. By W. G. Freeman and B. O. Williams. Second ...
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    Nature 123 (1929), S. 672-674 
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    Notes: [Auszug] IT is safe to assume that there are certain fundamental resemblances in the behaviour of all living cells in virtue of their possessing the same ground plan of protoplasmic structure, and among all aerobic cells in virtue of a similar oxidative mechanism, as the recent work of Keilin suggests. ...
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    Notes: [Auszug] THE second edition preserves the general character of the original. Although not sufficiently didactic for use as a vade-mecum for junior students of organic chemistry, it should be of value as a supplement to lecture courses and experimental work. Some of the numerous tables and summaries are ...
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    Notes: [Auszug] THE authors mention that the object of this book is to provide a non-technical introduction to leaf-mining insects, an account of their biology and lists of miners, together with their host-plants. Four orders of insects, namely, Coleoptera, Lepi-doptera, Hymenoptera, and Diptera, include species ...
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    Notes: [Auszug] THIS book differs from most popular books on the stars, both in purpose and style. It makes no attempt to explain the elements of astronomy, aiming rather to surround the celestial bodies with interesting associations of a literary or legendary character, thus arousing an interest in the subject ...
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    Notes: [Auszug] IN this unpretentious little book Dr. Cole discusses some of the family relationships and shows the effect on the child of his mental environment. People are apt to forget that, although the material environment may be the same for each child in a family, there is one factor that can never be the ...
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    Notes: [Auszug] THIS book gives a general account of the modern work on Mendelism, with particular reference to cultivated plants such as flax, peas, and barley. It is divided into three sections: (1) Mendel,s laws and their applications; (2) mosaics and the linkage of characters; (3) formula3, tables, and ...
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    Notes: [Auszug] I HAVE been trying to find experimental or indirect evidence bearing on Prof. Eddington's suggestion (Proc. Roy. Soc., Jan. 1929) of the relationship ... For six quantities such as the six fundamental quantities c, e, h, G, m, and M (the ‘mass’ of the proton), I find that the a priori chance of ...
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    Notes: [Auszug] IT will be recalled that Dieke and Hopfield showed that the absorption bands of H2, which are located in the extreme ultra-violet (about 1000–1500 A.), were due to transitions up from the ground level of H2, which they called A, to two higher electronic levels which they ...
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    Notes: [Auszug] MARSHALL and Bramston-Cook (J.A.C.S., 51, 2019; 1929) have measured the differential heat of adsorption of oxygen on activated charcoal and conclude that the heat of adsorption approaches a maximum value of 89,600 cal. per gm. mol. of oxygen as the amount of gas adsorbed approaches negligible ...
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    Notes: [Auszug] C. F. JENKINS, the author of this work and one of the pioneers of television, took up inventing as a profession about thirty years ago. He now possesses more than four hundred patents in America and other countries, and has a private laboratory in Washington for carrying out his researches. He has ...
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    Notes: [Auszug] To the several books and various other publications that deal specifically with the topography of the literature of chemistry is now added one which, in addition to supplying the usual kind of information and advice in the manipulation of such tools as are available-extremely valuable as both ...
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    Notes: [Auszug] MB. FOSTER has worked over the data of palaeontology and prehistoric archaeology in their bearing upon the distribution of man with considerable ingenuity, and still greater enthusiasm, which have involved him in frequent departures from the orthodox view. He is both stimulating and provocative. He ...
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    Notes: [Auszug] FOLLOWING the precedent established in 1926, when the annual general meeting and anniversary dinner were held in Manchester, the Chemical Society this year visited Leeds on Mar. 21. The proposal to hold such meetings away from London at frequent intervals was one which was immediately commended; ...
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    Notes: [Auszug] IN the recent issue of the Proceedings of the Royal Society (A, 124, 554; 1929), H. J. Phelps and R. A. Peters, while studying the adsorption of some organic acids on pure charcoal as a function of the hydrogen ion concentration, come to the conclusion that, in the given conditions, the ...
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    Nature 124 (1929), S. 412-412 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a letter in NATURE of June 22 (p. 945), reference was made to the Ehrenfest hypothesis which ascribes the high diamagnetic susceptibility of bismuth to the existence of closed electron orbits of larger than atomic dimensions in association with the crystal lattice. It may be pointed ...
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    Notes: [Auszug] MESSRS. E. E. Free and Travis Hoke begin Chapter xiii. of their recent work on “Weather” (Constable and Co., 1929) by stating that “the chief thing to be said about dew is that it doesn't fall, early or late, on Maxwelton or any other braes. In fact it rises.” They go on to explain that dew is ...
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    Nature 124 (1929), S. 413-414 
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    Notes: [Auszug] IT was inevitable that problems relating to early man and his culture should count largely in the proceedings of Section H (Anthropology) at the South Africa meeting of the British Association. Not only had the study made great strides locally since the Association last met there in 1905. Recent ...
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    Nature 123 (1929), S. 643-643 
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    Notes: [Auszug] ONE of the selection principles, for the case of X-ray spectra, states that the principal quantum number must change in any electron transition. A thorough investigation was carried out by Coster (Phil. Mag., 43, p. 1070; 1922) to determine if lines could be found corresponding to electron ...
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    Nature 123 (1929), S. 469-469 
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    Notes: [Auszug] A PROBABLE NEW TROJAN PLANET.-The Trojans are a group of minor planets the period of revolution of which is the same as that of Jupiter, and which maintain an approximately constant position relatively to Jupiter; four of them, Achilles, Hector, Nestor, Agamemnon, are 60° in front of Jupiter, while ...
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    Nature 123 (1929), S. 477-479 
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    Notes: [Auszug] LONDON. Institute of Metals, Mar. 13.-P. Saldau: Special properties of eutectics and eutectoid alloys in binary metallic systems. As regards hardness and electrical resistance, the eutectic occupies an abnormal position on the property-composition curve, even in drastically annealed alloys. For ...
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    Nature 123 (1929), S. 403-404 
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    Notes: [Auszug] THIS book will attract many readers by its title, and they are not likely to be disappointed in its contents, which embrace entertaining accounts of notable floods and droughts in the British Isles back to quite early times, together with a wealth of statistical data about rainfall fluctuations ...
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    Nature 123 (1929), S. 405-407 
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    Notes: [Auszug] IT cannot be too strongly emphasised that crystal physics is no longer a highly specialised branch of physics, dealing with solid matter in what was formerly thought to be a comparatively rare state. The new crystallography has shown, by the study of the interaction of X-rays and solids, that the ...
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    Nature 123 (1929), S. 407-408 
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    Notes: [Auszug] THIS is an interesting little book, which may be read with profit by the layman and with pleasure by the enterprising student of chemistry; so far as we are aware, it has no exact counterpart in English. It is very successful in affording within a modest compass a very readable general account of ...
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    Nature 123 (1929), S. 652-657 
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    Notes: [Auszug] SIR ALFRED EWING, Principal and Vice-Chancellor of the University of Edinburgh, was presented on April 18 with the freedom of the City of Edinburgh in the Usher Hall in the presence of a large and representative assembly. The honour was conferred, as stated in the Burgess Ticket, as a mark " of the ...
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    Nature 123 (1929), S. 408-408 
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    Notes: [Auszug] DR. HOLMYARD has earned the gratitude of all interested in the history of chemistry by his preparation of this book. Norton's poem, although it has no particular value from the point of view of the development of chemistry, gives, if it is authentic, an interesting picture of early alchemy in Great ...
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    Nature 123 (1929), S. 663-664 
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    Notes: [Auszug] THE May meeting of the Iron and Steel Institute, to be held this year on May 2 and 3, is of special significance inasmuch as the Institute is celebrating its diamond jubilee. The proposal for the formation of the Institute originated at a meeting of the Northern Iron Trade, held at ...
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    Nature 123 (1929), S. 665-665 
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    Notes: [Auszug] April 27, 1844.-The aneroid barometer was the invention of a Frenchman, Luoien Vidie, and was patented in England in the name of De Fontaine-moreau, merchant, of London, on April 27, 1844. The advantages that it possessed over the mercury instrument, especially as regards portability, were apparent ...
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    Nature 123 (1929), S. 665-667 
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    Notes: [Auszug] LONDON. Physical Society, Mar. 8.-Ezer Griffiths and J. H. Awbery: The dependence of the mobility of ions in air on the relative humidity. The apparatus employed was a modification of Zeleny's original method, the end of a wind channel being closed by a disc of gauze fitted with a guard ring ...
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    Nature 123 (1929), S. 667-668 
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    Notes: [Auszug] FRIDAY, APRIL 26. ROYAL SANITARY INSTITUTE (at City Hall, Cardiff), at 3.-H. M. F. Picken and E. C. Williams: The New Local Government Act.- A. N. J. Sair: Some Notes on Town Planning.-T. H. Morris: The Proposed Reconstruction, Widening, and Lowering of Cardiff Bridge. PHYSICAL SOCIETY (at ...
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