Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 376
S ELECTRICITY efficiency is not so high, for the water in the cylinder preventsproper lubrication. Impurities in the water also attack the walls of the cylinder, callingfor repeated reboring of cylinder and other heavy repairs; the heatabsorbs considerable of the moisture and this is deposited in… … Figs. 4,354 to 4,362.—Ingersoll-Rand hurricane inlet valve, and a hurricane inlet piston withits component parts. In construction the piston carries two ring valves, one on eachface. Each valve is a simple ring forged without welds from a solid billet and turned to alight T section. The inlet part…
Electrical engineering
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