The practical metal-worker's assistant : containing the arts of working all metals and alloys, forging of iron and steel, hardening and tempering, melting and mixing, casting and founding, works in sheet metal, the processes dependent on the ductility of the metals, soldering, and the most improved processes, and tools employed by metal-workers, with the application of the art of electro-metallurgy to manufacturing processes : collected from original sources, and from the works of Holtzapffel, Bergeron, Leupold, Plumier, Napier, and others ... (1851)
Byrne, Oliver · Philadelphia : H.C. Baird · leaf 331
, taperedoff with a file, and generally filed to an obtuse point; then, afterbeing moistened with oil, it is screwed into the one or several holesin the screw plate, which is held in the left hand. At other times,the work fixed in the lathe is turned or filed into form, and theplate is held in the… … The screw plate is sometimes used for common screws as large asfrom half to three-quarters of an inch diameter; such screws arefixed in the tail vice, and the screw plate is made from about 15 to30 inches long, and with two handles; the holes are then made ofdifferent diameters, by means of a taper…
Metal-work · Electrometallurgy · Metallurgy
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