Abstract
IN their interesting account of new results on cosmic rays, published in the supplement to NATURE of Jan. 7, Prof. Millikan and Dr. Cameron direct attention to the statement made by Dr. E. Steinke (Zeitschr. f. Physik, 42, 570 ; 1927) that the very careful measurements on highly-penetrating rays at sea-level performed by him do not show any real variations as to the intensity of these rays. I wish, however, to point out, as a matter of fact, that when the values of Dr. Steinke's measurements are arranged directly according to sidereal time, and when small systematic differences between the values of the different registering films are eliminated, these measurements show variations which are completely in accordance with those found by W. Kolhrster and G. von Salis (Sitz. Ber. Preuss. Akad. d. Wiss., 11; 1927) and by K. Böttner (Zeitschr. f. Physik, 45, 588 ; 1927), but are only in percentage smaller.
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CORLIN, A. The Highly Penetrating Cosmic Rays. Nature 121, 322–323 (1928). https://doi.org/10.1038/121322a0
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DOI: https://doi.org/10.1038/121322a0
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