A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 33
lyuseless work. In one device. No. 70, the steam issues froma reaction-wheel revolving in the horizontal plane, andcauses dancing images to circle about the altar. A moremechanical and more generally-known form of this deviceis that which is frequently described as the First SteamEngine. The sketch… … Fig. 3.—Hero3 Engine, e. c. 200. the ^olipile, or Ball of iEolus, assumed in those early times. The cauldron, A B, contains water, and is covered by thesteam-tight cover, CD. A globe is supported above thecauldron by a pair of tubes, terminating, the one, (7 Jf, in a THE PERIOD OF SPECULATION. 9…
Steam-engines
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