Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 60
hen inserted through the fire valve by means of the slot in thebase of the mechanism and is then fastened on to the lower reel so as to rewind to the right.Fig, 3,845 shows the machine completely threaded from the top reel to the feed sprocketthrough the film trap and on to the lower feed sprocket… … 250^BANDHSPECIAL Figs. 3,846 to 3,855.—Simplex take up device. Fig. 3,846 belt drive for small reels; fig. 3,854,chain drive for large reels; figs. 3,847 to 3,853, parts. The take up is the equivalent of the beltdrive P, fig. 3,819, that is, it performs the same function, viz.: to rotate at…
Electrical engineering
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