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 149
i* niver less thanfrom 180 to 225 lbs. In liquefied ammonia machines the pressure is from 135 to 180 ibs. The diffi-culties are chiefly the frequent ami heavy leaks, the corrosive action of the ammonia on metals, theimpossibility of using grease as a lubricant, and the deposits which form in the… … The boiler A is first half filled with solution of ammonia, which is caused to evaporate by the applica-tion of heat, and the gas thus formed is forced through the pipe I into the worm-pipe of the conden-ser B, and thence through the pipe 2 into the gas-holder O. From the gas-holder the-gas is…
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