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Scientific American, Vol. 63, No. 5 (1890) (1890)
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oiler. in the transverse cylinders approach in like manner, elasticity of the spring returus the parts to their nor- In the operation of washing, the chamber in the and the movement of the pistonsin the opposite direc- mal position. lower part of the vessel is nearly filled with water, and tion are… … | steam is admitted at one end of the © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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