Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 531
of adjustable india-rubber buffers placed at the points of contact, which in no way interfere with the Uvely and certainaction of the spiral springs. Patent machine card-press.—Fig. 3116. For printing cards and small circulars, this machine is notsurpassed. It is worked by either a crank or… … Improved Utliographic^ress.—Fig. S117. This is believed to be the best press in use for lithographicprinting. The side-rods and top beam are made of wrought-iron; the bed and stone are raised to thetcraper by a lever and steel cam, working on a steel friction-roller; the impression is reg.Uatcd by a
Mechanical engineering · Mechanics · Engineering
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