Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 67American Philosophical Society, 1928 |
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Сторінка 73
... places of permanent residence for those from colder climates . The West Indies , near at hand and easily reached by several regular steamship lines , as well as covered by numerous winter cruises THE WORLD'S WEATHER AND CLIMATES 73.
... places of permanent residence for those from colder climates . The West Indies , near at hand and easily reached by several regular steamship lines , as well as covered by numerous winter cruises THE WORLD'S WEATHER AND CLIMATES 73.
Сторінка 74
American Philosophical Society. lines , as well as covered by numerous winter cruises , have naturally , and deservedly , become increasingly popular among American tourists . With their numerous islands - moun- tainous , volcanic and ...
American Philosophical Society. lines , as well as covered by numerous winter cruises , have naturally , and deservedly , become increasingly popular among American tourists . With their numerous islands - moun- tainous , volcanic and ...
Сторінка 110
... lines , and illumi- nated by a very bright electric spark . b f a e مه g FIG . I y To make clear to the reader the whole photographic outfit and method without bother- ing him to refer back to the 1923 paper , I shall here in- troduce ...
... lines , and illumi- nated by a very bright electric spark . b f a e مه g FIG . I y To make clear to the reader the whole photographic outfit and method without bother- ing him to refer back to the 1923 paper , I shall here in- troduce ...
Сторінка 114
... lines against which as a background the lower rounded ends of the con- tainers are photographed in silhouette , is adapted to have horizontality of the black lines adjusted by a fine - threaded screw . A horizontal brass sparking post ...
... lines against which as a background the lower rounded ends of the con- tainers are photographed in silhouette , is adapted to have horizontality of the black lines adjusted by a fine - threaded screw . A horizontal brass sparking post ...
Сторінка 117
... lines cannot both be sharply in focus of the camera lens . In Plate III the focal plane of the camera was about half way between the tips and the lines . Sharpness of lowest part of the curve of the tips was very greatly enhanced by ...
... lines cannot both be sharply in focus of the camera lens . In Plate III the focal plane of the camera was about half way between the tips and the lines . Sharpness of lowest part of the curve of the tips was very greatly enhanced by ...
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104 SOUTH FIFTH adrenals airplane Alaska American Philosophical Society amphibian anthropoid atom Bohr brachiating Buriats cell chimpanzee cholesterol climate coast container corals correspondence cusp cusp formula Diatryma digit distance Dryopithecus Dryopithecus pattern electron Eocene evolution fact feet flight frequency gorilla groove system hand humerus hydrogen known layer lecithin Lewis Lewis's lichens limb lipoids lobe-finned lobe-finned fishes LOWER MOLAR PATTERN lower molar teeth mammals McMahon measured meteorological methods motion muscles natural Negroes Notharctus nucleus observations observatories Omorhamphus orbits parallax pectoral Pedro Dome Philadelphia photographic plants plate present primates primitive problem Professor proper motions Pursh rainfall rigid airships Sajous scientific seeds septa shoulder-girdle SOUTH FIFTH STREET species specimen stage stars stellar distances surface temperature tetrapod theory third molar tissue trees Trianaeopiper trochlear process tundra vegetation velocity weather White Spruce winds winter