Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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Сторінка 134
... Observatory , the bi - hourly 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 ...
... Observatory , the bi - hourly 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 ...
Сторінка 239
American Philosophical Society. GEOMAGNETIC OBSERVATORIES AND INSTRUMENTS H. E. MCCOMB Chief , Section of Observatories and Equipment , United States Coast and Geodetic ... OBSERVATORY AT Geomagnetic Observatories and Instruments H MCCOMB.
American Philosophical Society. GEOMAGNETIC OBSERVATORIES AND INSTRUMENTS H. E. MCCOMB Chief , Section of Observatories and Equipment , United States Coast and Geodetic ... OBSERVATORY AT Geomagnetic Observatories and Instruments H MCCOMB.
Сторінка 245
... observatory was maintained until 1881 . For various periods between 1860 and 1883 observatories equipped with eye - reading instruments were operated inter- mittently at Eastport , Maine ; Portland , Maine ; Washington , D. C .; Point ...
... observatory was maintained until 1881 . For various periods between 1860 and 1883 observatories equipped with eye - reading instruments were operated inter- mittently at Eastport , Maine ; Portland , Maine ; Washington , D. C .; Point ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
Production of Secondary Electrons by Electrons of Energy | 33 |
Autonomous Versus Reflexogenous Activity of the Central | 53 |
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