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 374
D USE OF. 359 and then by the spiral spring /*, acting from above downward, keeps the box in its position, whileit permits it to turn upon itself in two directions. The name press is given to the assemblage ofall the pieces which compose the movable frame BB. F is a cross-bar made to move in a… … 2923
Mechanical engineering -- Dictionaries
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