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 622
sisting of a i<mal!cup pierced in the bottom, which receives part of tlie overflowing oil from the wicks, and is capable,when full, of balancing a weight placed at the opposite end of a lever. The moment the machinerystops the cup ceases to receive the supply of oil, and, the remainder running…
Mechanical engineering · Mechanics · Engineering
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