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 115
Fig. 48.—Sketch showing Reversal of Motion by Bevel Wheels. (Page 90.)93 LESSON VIII TOOTHED GEARING 95 the capstan is fixed to the worm wheel spindle and the shaft ofthe engine to the worm. This appliance has the advantage that as usually fitted, theworm although it can drive the worm wheel cannot… … Fig. 49.—Worm and Worm Wheel. (Page 90. LESSON IX Friction.—Resistance to one part of machine sliding ovei*another due to friction. Friction lessened by making surfaces incontact smooth, by making surfaces working together of differentmetals, by use of lubricants. Action of lubricant in…
Steam-engines · Marine engines
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