Cogshall, W. A.
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Vol 36 (1926) - Papers on Geology, Geography, and Archaeology
Proper Motion of Weisse XXIII 175
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Vol 35 (1925) - Papers on Geology, Geography, and Archaeology
Geographical Positions with a Sextant
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Vol 37 (1927) - Papers on Chemistry, Physics, and Mathematics
Two New Navigation Instruments
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Vol 39 (1929) - Papers on Physics, Astronomy and Mathematics
Photography of the 1929 Eclipse with a New Type Reflector:
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