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 586
ngine much less laborious than without it; and by using the balance-valves in-stead of the ordinary poppet-valves, a very moderate degree of manual force is requisite to work the engine. Fig. 1511 is a side elevation of the engine. Fig. 1512 is an end elevation, exhibiting the steam-chests,the… … 576 ENGINE, VARIETIES OF THE STEAM. the condenser ■with the air-pump, and tho opening by which the foot-valve is introduced to its place. Fig- 1516 is a transverse section of the steam-chests, showing the arrangement of the balance-valves. Fig. 1517 is a plan of Che steam-chest, and of the cylinder…
Mechanical engineering
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