Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 162
m … .iaoj fSVQQf J «fa f—C I.■ o Shaft running through building. 4 Crank. c Connecting-rod. d Upper lever worked by connecting-rod c. e Lower or punching lever engaged or disen-gaged by means of rods, levers, and pine. f Punching-frame raised or depressed by levere, and counterbalance weight g. g Lever…
Mechanical engineering
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