A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 418
leared by a single-acting air- MARINE ENGINES. 393 pump, inside the frame, at T. The feed-pump and the bilge-pumps are driven from the cross-head of the air-pump. The successful introduction of the double-cylinder en-gine was finally accomplished by the exertions of a fewengineers, who were at once… … John Elder. The most active and earnest of these eminent men wasJohn Elder, of the firm of Randolph, Elder & Co., subse-quently John Elder & Co., of Glasgow. Elder was of Scotch descent. His ancestors had, for 1 Vide Memoir of John Elder, W. J. M. Kankine, Glasgow, 1871. 394 THE…
Steam-engines
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