Travels in space; a history of aerial navigation (1902)
Valentine, E. Seton, Tomlinson, F. L. · London Hurst and Blackett · leaf 236
to actuatewings or the screw principle, several inventors hadlong begun to devise motors, to which the objectionsheretofore urged against steam could not be taken. The first of these was the apparatus of Pomes andde la Pauze in 1871, which was to be worked by agunpowder machine. But, although… … A HISTORY OF AERIAL NAVIGATION. 219 a framework of light weldless steel tubing, stayed ortrussed together. This frame was covered with oiledsilk. A large aeroplane was balanced on the car, whichcould be inclined either up or down. Propellers weremounted on ball-and-socket joints, and could thus…
Aeronautics
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