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Small experimental gunpowder engine
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Small experimental gunpowder engine
Small experimental gunpowder engine, showing the bow string mechanism to effect the return stroke of the piston. 1807. From Cayleys original notebook
Media ID 9894267
© The Royal Aeronautical Society (National Aerospace Library) / Mary Evans Picture Library
1807 Cayley Cayleys Effect Experimental Gunpowder Mechanism Notebook Piston Return String Stroke
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