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 530
e levers L, (fig. 3110,) it will also actuate the catch by withdrawing the spring from the said pressureof the pins. The spring thus relaxed allows the passage of one pin, but backs against the next followingone. These are the means employed to feed the car, and consequently the paper, the distance… … 518 PRESS, LITHOGRAPHIC PRINTING. free on the shaft of the band pulley, and carries a ratchet so arranged in relation to a ratchet wheel up-on the shaft, that when the car is moved to the right the pulley turns freely, and when the car moves tothe left the pulley carries the other pulley with it;…
Mechanical engineering
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