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 106
lways accessible. If hot air is ever expected to be used, provision shouldbo made iu the laying for expansion and contraction by resting them upon rollers, (short pieces ofthree-inch iron pipe answer very well,) on a smooth foundation. It is impossible, in the conditions ofapplication, to avoid… … compensfttlon-jolnt is inserted ; this frequently consists of an end ofa pipe movable in a stuffing box. The plan represented in fig.2371 is preferable to it. This is a compensation-ioint, consisting (jftwo round dishes of sheet-iron, or copper, 20 or 30 inches in diam-eter, according to the size…
Mechanical engineering · Mechanics · Engineering
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