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 589
pticalsprings. This is, on the whole, one of the best marinepistons. The ring, however, in wearing, deranges the joint between the ring and the small segment-piece. The joint opens at each end, so that the only contact comes to be at the central point, which isa defect. Fig. 1554 shows plan and… … iLJfc Scale.\— inch=l loot.
Mechanical engineering · Mechanics · Engineering
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