Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 41
American Philosophical Society. second is a description of the Arctic and the Antarctic , region by region . 3. BRIEF HISTORY OF POLAR EXPLORATION SINCE THE INTRODUC- TION OF FLYING By W. L. G. Joerg . A summary of all of the aerial ...
American Philosophical Society. second is a description of the Arctic and the Antarctic , region by region . 3. BRIEF HISTORY OF POLAR EXPLORATION SINCE THE INTRODUC- TION OF FLYING By W. L. G. Joerg . A summary of all of the aerial ...
Сторінка 189
... region rises slightly from the spherical head . The chin , nose and cheek protuberances are perforated ; the eyes and mouth are simply oval holes . The brows are prominent . Above and back of the brows there is a pair of pitted ...
... region rises slightly from the spherical head . The chin , nose and cheek protuberances are perforated ; the eyes and mouth are simply oval holes . The brows are prominent . Above and back of the brows there is a pair of pitted ...
Сторінка 566
... region north of Alaska and naturally , we looked for the most economic means of carrying out the work . We found that through the develop- ment of science in many of its branches - through the develop- ment of other methods of ...
... region north of Alaska and naturally , we looked for the most economic means of carrying out the work . We found that through the develop- ment of science in many of its branches - through the develop- ment of other methods of ...
Зміст
Why the 200Inch Teleschope By ELIHU THOMSON | 13 |
Antarctica BY ISAIAH BOWMAN | 19 |
Studies on Weathering and Soil Formation in Tropical High | 45 |
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