Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 382
not abrade LOCOMOTIVE APPLIANCES. 373 their surfaces, as ordinarily happens with ordinaryvalves. THE HOMESTEAD STRAIGHT-WAY VALVE. This valve is so constructed that when it isclosed it is at the same time forced firmly toits seat. This result is secured by means ofthe traveling cam A through which… … Fig 3Homestead Straight-Way Valve. which it is placed, and the plug will be free to be easilymoved. A quarter of a turn in the direction forclosing it causes the cam to rise and take a bearing onthe upper surface of the chamber, and the only effectof further effort to turn the stem in that…
Locomotives
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