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 826
ashers. Thetop of the mortar is closed. On it is the feed-hopper W, Fig. 3976. The stem of the mortar passesthrough an urn-shaped appendage, ,/, Fig. 3974, and u, Fig. 3976, with a cone in the centre, throughwhich water is discharged into the mortar by the pipe M. Just above the mortar an iron… … 3980. 3978.
Mechanical engineering -- Dictionaries
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