Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 343
afety deviceto stop the engine is operated. The cylinder is securely seated on two planed sole-plates let downon either side of the pit in which the exhaust valves work. figs. 378 and 379 show an inverted arrangement of the Hartnellspring governor. The bell-cranks carrying the governor-balls… … Fig. 379. the complete head, which includes the box surrounding the springand the double-ended bracket carrying the centres of the ball arms.A heavier governor is obtained by this arrangement than thesimple spring Hartnell governor, which is liable to hunt whenworking on a fine variation. The added…
Steam-engines
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