The National Geographic Magazine, Volume 78National Geographic Society, 1940 - Geography Indexes kept up to date with supplements. |
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Page 717
... plane lands . Speed in Building Planes How rapidly can planes be built ? One com- pany today is turning out a completed military training plane every three hours . Bigger planes naturally take longer . Flat sheets of thin aluminum alloy ...
... plane lands . Speed in Building Planes How rapidly can planes be built ? One com- pany today is turning out a completed military training plane every three hours . Bigger planes naturally take longer . Flat sheets of thin aluminum alloy ...
Page 721
... plane to distant points also is a new wrinkle in air warfare . A fleet of only 500 large transport planes , such as now are used on the commercial air lines , could carry 10,000 soldiers with rifles , am- munition , and light equipment ...
... plane to distant points also is a new wrinkle in air warfare . A fleet of only 500 large transport planes , such as now are used on the commercial air lines , could carry 10,000 soldiers with rifles , am- munition , and light equipment ...
Page 722
... planes equipped with blind flying in- struments , two - way radio , and direction find- ers . Light planes will climb 12,000 to 19,000 feet , have a cruising range of 200 to 320 miles at around 100 miles an hour , carry useful loads of ...
... planes equipped with blind flying in- struments , two - way radio , and direction find- ers . Light planes will climb 12,000 to 19,000 feet , have a cruising range of 200 to 320 miles at around 100 miles an hour , carry useful loads of ...
Contents
Aviation in Commerce and Defense By F BARROWS COLTON 685 | 83 |
ill 62 | 133 |
A Canadian Canoe Threads Old English Waterways | 185 |
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