Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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... United States , by the establishment of Magnetic Observatories at suitable places . Resolved , That a Committee be appointed , with authority , on behalf of the Society , to invite the attention of one of the departments of the ...
... United States , by the establishment of Magnetic Observatories at suitable places . Resolved , That a Committee be appointed , with authority , on behalf of the Society , to invite the attention of one of the departments of the ...
Сторінка 184
... United States . It also imposes the obligation that " . . . the Academy shall , whenever called upon by any department of the Government , investigate , examine , experiment and report upon any subject of science or art . . . ' the ...
... United States . It also imposes the obligation that " . . . the Academy shall , whenever called upon by any department of the Government , investigate , examine , experiment and report upon any subject of science or art . . . ' the ...
Сторінка 205
American Philosophical Society. THE MAGNETIC SURVEY OF THE UNITED STATES N. H. HECK Chief , Division of Geomagnetism and Seismology , United States Coast and Geodetic Survey ( Read February 14 , 1941 , in Symposium on Geomagnetism ) MANY ...
American Philosophical Society. THE MAGNETIC SURVEY OF THE UNITED STATES N. H. HECK Chief , Division of Geomagnetism and Seismology , United States Coast and Geodetic Survey ( Read February 14 , 1941 , in Symposium on Geomagnetism ) MANY ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
July 30 1941 No | 5 |
Production of Secondary Electrons by Electrons of Energy | 33 |
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