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 327
here is alimit to the diminution of this opening, as upon it also depends the back pressure on the piston inthe cylinders. To enable the engine-driver to regulate the exhaust, a variable opening to the nozzleis sometimes given. An exhaust-nozzle consists of a conically-shaped cast-iron pipe, which… … two openings the term double nozzle is used. The double nozzle is not employed in Europe. LOCOMOTIVE, DESCRIPTION OF PARTS OF THE. 313 The nozzle is there always carried up to the base of the smoke-stack, while in America it ends where the petticoat-pipe begins. The variable exhaust-nozzle is…
Mechanical engineering -- Dictionaries
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