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 92
2-253. D 3 … denoted by the marks at B in the same figure (this the workman can perform by reversing thehammer, without changing his position); the result will be to curl up the plate as denoted by thedotted lines. This effect is produced by two causes, the first of which is the shape of the hammer-face, and…
Mechanical engineering -- Dictionaries
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