Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 239
jji^^W Fig. 427. raises the piston of the dash-pot. The governor-rod Z moves the triple crank H H H^,rocking on the valve stem A; at the extremity of H there is a roller R which is thrownby the governor into such a position that it comes in contact with the roller R on thehook E in its motion… … Fig. 428. MECHANICS. 223 and steam is cut off sharply; the return stroke againengages the catch and hook, and the release is againeffected by the position of the governor. On the arm H^ there is an adjustable cam W,which serves as an automatic safety stop-motion.When the engine is at its lowest…
Mechanical drawing
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