Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 158
was that the pistons were movingeither in the same direction or in opposite directions in thesame phase of the crank motion. The Hornblower engineshad two cyhnders side by side, operating on the same side ofthe centre of the beam, as appears in Fig. 91. The Woolfengines were mostly horizontal… … Fig. 92. phase and reach the end of their stroke at the same time (seealso Fig. 34). When the two pistons are on the same piston-rod theengine is called a tandem engine, whether arranged horizontallyor vertically. It is perhaps a little more usual in horizontalengines to put the low-pressure…
Mechanical engineering · Steam power plants
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