Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 567
adjustable by set-screws, great care is necessary in setting out the rings, since this operation isgenerally performed when the cylinder is cold, and the rings expand considerably when heated. Insome instances, as in the piston of the Porter-Allen engine, no springs are used, the only…
Mechanical engineering -- Dictionaries
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