Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 603
that when one eccentric-gab is in geer with the pin e,upon the valve-lever, the other shall be disengaged. In the figure the engine is in geer for going ahead,and the reversing eccentric-rod D is disengaged from the ordinary valve, and in geer with the suuDle-mentary valve, by means of a second… … ENGINE, VARIETIES OF THE STEAM. 593 or less distance from the centre of the expansion-valve shaft, by means of the handle T; and theeffective length of the valve-lever being thus varied, the travel of the valve receives a correspondingvariation. The expansion-valve thus receives the reversing…
Mechanical engineering
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