Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 339
iRi> Skkies.—No 6.—November, 1868. 87 290 Editorial. Screw Cutting Machine. By Brown & Sharpe, Providence,E. I. We give below a drawing and description of a machine,which has now been in use in many of our best workshops for asufficient time to establish its merit as a most efficient and… … produce as many screws as from three to five can make, on as manyengine lathes. The bed, A, which is of cast iron, is very heavy, and has at oneend two uprights cast solid with it, containing bronze boxes to sup-port the spindle. The front box, B, is made in four parts, thatit may be closed up to…
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