Airships Past and Present: Together with Chapters on the Use of Balloons in Connection with Meteorology, Photography and the Carrier PigeonA. Constable & Company Limited, 1908 - 364 стор. |
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Airships Past and Present: Together With Chapters on the Use, of Balloons in ... A. Hildebrandt Попередній перегляд недоступний - 2015 |
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able accident aeronaut air-bag airship altitude amount apparatus arranged ascent Assmann atmosphere ballast Balloon Corps balloonist barometer basket Berlin Berson birds breeze camera capacity Captain captive balloon carried carrier pigeons clouds coal gas colour consequently constructed Coutelle covered cubic feet cylinders descent diameter direction dirigible balloon distance effect envelope expedition experiments exposure filled flying machine focal length French front Gaston Tissandier German goldbeater's skin ground guide-rope height Hergesell horizontal hydrogen instruments Joseph Montgolfier journey kind kite kite-balloon landing lens lenses light Markaryd means ment meteorological method miles military minutes Montgolfier Montgolfière motor movements necessary observations oxygen parachute Paris passengers photograph plates position possible pressure Prince of Monaco propellers proposed purposes reached rise ropes rubber rudder sails sent shape showed shutter Sigsfeld soon speed started sulphuric acid surface taken temperature throwing tion tube valve vertical wind