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 746
sure on b, and enabling c to open the dies. They continue to open until E and E touch their oppo-site faces, and then remain open until the bolt is withdrawn and the dies are closed by a movement ofthe hand-lever, latching it fast. The spring then again operates, and the dies close. The dies…
Mechanical engineering -- Dictionaries
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