Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 368
thumb, although it naturally falls toward him by its own gravity, being usually workeda little out of the vertical line for that purpose. Sometimes springs are placed to draw the battenforward, in which case the weaver with the back of the hand merely pushes the batten backward,while the spring… … by means of a ratchet-wheel and pawl, and as the cloth is woven it is wound up by a short lever.In order to keep the warp-threads of a proper degree of tension, the warp-beam is shown providedwith two weights, or two pairs of weights, one being much heavier than the other, and attached tothe same…
Mechanical engineering -- Dictionaries
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