Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 531
of adjustable india-rubber buffers placed at the points of contact, which in no way interfere with the lively and certainaction of the spiral springs. Patent machine card-press.—Fig. 311G. For printing cards and small circulars, this machine is notsurpassed. It is worked by either a crank or… … Improved lithor/rapliic-press.—Fig. 3117. 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 thescraper by a lever and steel cam, working on a steel friction-roller; the impression is reg.ilated…
Mechanical engineering
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