Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 796
nons; in the first place, the valve being formed by two disks connected by a spindle, the force of thosteam acting against the disks in opposite directions puts a great strain on the spindle, so that shouldit be slightly eccentric, the valve will be sprung from the seat and will leak; and in the…
Mechanical engineering · Mechanics · Engineering
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