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 322
ont q is bolted.A hinged circular door in thelatter admits of the cleaningof the smoke-box and the fire-tubes. A circular plate a a\riveted to the boiler-shell, sep-arates the smoke-box from theboiler, and holds the fire-tubes,which communicate betweenthe fire-box and the smoke-box. This is called…
Mechanical engineering -- Dictionaries
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