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 781
s finished work. It iscapable of sewing 60 signatures per minute, and inserts 8 separate threads if need be, any one ofwhich may be cut or broken without impairing the holding of the others. The machine, which isrepresented in perspective in Fig. 3868, uses 8 spools, and is capable of sewing any… … down movement in its bearings, and also a movement of rotation. The attendant begins by placinga signature or folded sheet over the arm, which projects directly toward him. The paper is adjustedand held in place by means of a clip B. By the action of the cam shown beneath the machine and thearm…
Mechanical engineering -- Dictionaries
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