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 524
he paper in a direction perpendicular to the lines is eftlCted bymeans of a spider-wheel v\ made fast to the slialt end of the roller i, and by means of a lever S, andspring M. When the car is pulled to the right, one of the spokes of the spider-wheel v is pressed againstthe iucUned side of the… … 518 PRESS, LITHOGRAPHIC PRINTl^a. free on the shaft of the band pulley, and carries a ratchet bo arranged in relation to a ratchet wheel np-on the shaft that when the car is moved to the right the pulley turns freely, and when the car moves t«the left the pulley carries the other pulley with it;…
Mechanical engineering · Mechanics · Engineering
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