Famous airmen and their equipment [electronic resource] : with some notes on first-aid in emergencies . 22 THE EVOLUTION OF FLIGHT. was in 1809. In the following year Thomas Walker,of Hull, wrote A treatise upon the art of flyingby mechanical means. These men showed a due appreciation of theproblems of dynamic flight, and when, in 1842, Hensonmade a model flying machine from Cayleys designs,he stood upon the threshold of the great discovery. But the time was not yet: much remained to beaccomplished ; the steam engines available were far tooheavy, and the ideal motive power for such light craft
Famous airmen and their equipment [electronic resource] : with some notes on first-aid in emergencies . 22 THE EVOLUTION OF FLIGHT. was in 1809. In the following year Thomas Walker,of Hull, wrote A treatise upon the art of flyingby mechanical means. These men showed a due appreciation of theproblems of dynamic flight, and when, in 1842, Hensonmade a model flying machine from Cayleys designs,he stood upon the threshold of the great discovery. But the time was not yet: much remained to beaccomplished ; the steam engines available were far tooheavy, and the ideal motive power for such light craftwas still—an ideal. Hensons model bears a distinct resemblanceto a modernmonoplane,and his friendStringfellowalso accom-plished muchuseful latter in after years achieved the distinction ofproducing the first engine-driven model aeroplanewhich actually flew. In 1866 the Aeronautical Society„, . of Great Britain was founded, and the The Aeronauti- _ _ cai society of scientific aspects of flight and the lawsof the air began to be studied inBritain as never before. Slowly and tentatively theconception of the air as
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectaeronau, bookyear1912
