Elementary lessons in steam machinery and the marine steam engine, with a short description of the construction of a battleship (1893)
Langmaid, Joseph, Gaisford, H · London, New York : Macmillan · leaf 135
115 LESSON XI Valves and Cocks, used in machinery for regulating orcontrolling the admission or discharge of steam, water, etc. 1. Valves opened and closed by hand. Description of ordinarystop valve, with conical seated valve. Outline sketch of section.Lift need not exceed one-fourth diameter of…
Steam-engines · Marine engines
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