A history of the growth of the steam-engine . Fig. 137.—Compound Maiine EDglne. Sido Elevation. tached directly to the piston and vibrates within a trunk orcylinder secured to the piston, moving with it, and extend-ing outside the cylinder, like an immense hollow piston-rod, is frequently used in the British navy. It has rarelybeen adopted in the United States. MARINE ENGINES. 391 In nearly all steam-vessels which have been built forthe merchant service recently, and in some naval vessels,the compound engine has been adopted. Figs. 137 and 138represent the usual form of this engine. Here A A,
A history of the growth of the steam-engine . Fig. 137.—Compound Maiine EDglne. Sido Elevation. tached directly to the piston and vibrates within a trunk orcylinder secured to the piston, moving with it, and extend-ing outside the cylinder, like an immense hollow piston-rod, is frequently used in the British navy. It has rarelybeen adopted in the United States. MARINE ENGINES. 391 In nearly all steam-vessels which have been built forthe merchant service recently, and in some naval vessels,the compound engine has been adopted. Figs. 137 and 138represent the usual form of this engine. Here A A, JB Bare the small and the large, or the high-pressure and thelow-pressure cylinders respectively. C C are the valve-
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Keywords: ., bookcentury1800, bookdecade1870, bookidc, booksubjectsteamengines
