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 468
forms of the cast-iron sleekers employed in the operations of hollow moulding. J and K are convex and concave sleekers for corresponding surfaces.L and M are tools with double plane surfaces at certainangles to each other. Of these there are a variety havingtheir planes at different angles to suit…
Mechanical engineering -- Dictionaries
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