A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 295
Tbe changes and improvements which, during the 20years succeeding the time of Fulton and of John Stevens,gradually led to the adoption of the now recognized typeof American river-boat and its steam-engine, were prin-cipally made by that son of the senior Stevens, who hasalready been… … Eobert L, Stevens. He made many extended and most valuable, as wellas interesting, experiments on ship-propulsion, expendingmuch time and large sums of money upon them ; and manyyears before they became generally understood, he had ar- STEAM-NAVIGATION. 271 rived at a knowledge not only of the laws…
Steam-engines
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