Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 86
Stran 296
... determined by ordinary photo- graphic methods are called " photographic mag- nitudes . " During the past three years the fine series of star charts obtained by the late J. Franklin - Adams has been used in the investigation of the ...
... determined by ordinary photo- graphic methods are called " photographic mag- nitudes . " During the past three years the fine series of star charts obtained by the late J. Franklin - Adams has been used in the investigation of the ...
Stran 454
... determined velocity , that of light .. 99 Query - What does Mr. Cunningham mean by a definite physically - determined velocity " in view of statements ( 1 ) , ( 2 ) , and ( 3 ) ? Things apparently indefinite :-( 1 ) “ Simultaneity ...
... determined velocity , that of light .. 99 Query - What does Mr. Cunningham mean by a definite physically - determined velocity " in view of statements ( 1 ) , ( 2 ) , and ( 3 ) ? Things apparently indefinite :-( 1 ) “ Simultaneity ...
Stran 600
... determined at Harvard College , under Prof. Pickering's direction , by Miss Cannon . The different classes are indicated in the Harvard classification by the letters B , A , F , G , K , M , with further subdivisions . The B stars are ...
... determined at Harvard College , under Prof. Pickering's direction , by Miss Cannon . The different classes are indicated in the Harvard classification by the letters B , A , F , G , K , M , with further subdivisions . The B stars are ...
Vsebina
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method motion Museum National Physical Laboratory nature observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg