Renwick, James, 1790?-1863 · New York, G. & C. & H. Carvill · leaf 159
joints prevents any escape of steam 152 DOUBLE-ACTING through the apertures, that are thus made in either of the rings. The figure helow shows this arrangement, where a is thepiston-rod, 6, 6, h springs that press against the joints c, c, cof one of the rings, which is here represented as formedby… … In applying a metallic piston, accuracy in the boring iisabsolutely essential, nor can they be introduced exceptwhen this part of the workmanship is of the best descrip-tion. 89. The Condenser is a vessel of a cylindric form. Itis represented in Fig. 2, PI. III. by n. Through the toppasses the pipe…
Steam-engines
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