Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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Сторінка 131
... observations , be instructed again to call his attention to the system of combined observations on terrestrial magnetism and meteorology now in progress . ( Amer . Philos . Soc . Proc . , I : 320. ) January 15 , 1841 Professor Bache ...
... observations , be instructed again to call his attention to the system of combined observations on terrestrial magnetism and meteorology now in progress . ( Amer . Philos . Soc . Proc . , I : 320. ) January 15 , 1841 Professor Bache ...
Сторінка 134
... observations , and those for maxima and minima , had ceased with the first of the present year . He further stated , that it was his intention to keep up the term - day observations , and also to have an observation of the magnetic ...
... observations , and those for maxima and minima , had ceased with the first of the present year . He further stated , that it was his intention to keep up the term - day observations , and also to have an observation of the magnetic ...
Сторінка 259
... observations for decli- nation in coastal waters from early times , however , it was not until 1879-1880 that observations of intensity are recorded as having been made at sea off Cuba and Yucatan . By 1900 the survey vessel Blake was ...
... observations for decli- nation in coastal waters from early times , however , it was not until 1879-1880 that observations of intensity are recorded as having been made at sea off Cuba and Yucatan . By 1900 the survey vessel Blake was ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
Production of Secondary Electrons by Electrons of Energy | 7 |
Bache as an Educator MERLE M ODGERS | 161 |
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