Elementary lessons in steam machinery and the marine steam engine, with a short description of the construction of a battleship (1893)
Langmaid, Joseph, Gaisford, H · London, New York : Macmillan · leaf 107
nger thanthose of ordinary toothed wheels, and work together almost asnoiselessly as mortice gearing. Trains of toothed wheels are used in machines for- raisingheavy weights, for obtaining an increased or decreased velocityratio in two shafts, or for changing the direction of motion. Thedriving… … Fig. 4-2.—A Paib of Spur Wheels. (Page 85.)
Steam-engines · Marine engines
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