Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 376
Fig. 6. Auxiliary Cushion Port. the stroke. The pistons are in action or moving approximately only ^ of the time. The cyl-inders have five ports. The two end ones are for the admission of steam and the three innerones for the exhaust. The piston is cushioned at the end of its stroke and prevented…
Building · Heating · Ventilation
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