Nature, Volume 91Sir Norman Lockyer Macmillan Journals Limited, 1913 - Electronic journals |
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Page 253
... photographs by insert- ing in the optical train a medium which produced a sharp absorption line in the stellar spectrum . Mr. R. W. Wood found out that the absorption line of neodymchloride at 14273 A.U. in a weak solution was Prof ...
... photographs by insert- ing in the optical train a medium which produced a sharp absorption line in the stellar spectrum . Mr. R. W. Wood found out that the absorption line of neodymchloride at 14273 A.U. in a weak solution was Prof ...
Page 255
... photograph is taken . By comparison of the two photographs it is seen what effect , if any , the substance has had upon the transmission of the light . When organic substances are examined in this way it is found that some allow light ...
... photograph is taken . By comparison of the two photographs it is seen what effect , if any , the substance has had upon the transmission of the light . When organic substances are examined in this way it is found that some allow light ...
Page 584
... photographs of the aurora at the two stations , namely , Bossekop and Store Korsnes , the latter station being about 27 kilometres to the north of Bosse- kop . Of these photographs 450 pairs are stated to be very satisfac- tory and ...
... photographs of the aurora at the two stations , namely , Bossekop and Store Korsnes , the latter station being about 27 kilometres to the north of Bosse- kop . Of these photographs 450 pairs are stated to be very satisfac- tory and ...
Contents
ungen oder Organische Chemie Elfte Auflage | 26 |
marks | 83 |
netism for Students in Engineering By Drs R | 130 |
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