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 67
d-ing exhibits, in the smallest kinds especially, a surprising degree ofdexterity and dispatch, only to be arrived at by very great practice;and which in this and numerous other instances of manufacturecould be scarcely attained but for the enormous demand, whichenables a great subdivision of labor… … at the Lowell Machine Shop, Lowell, Mass., of which TV. A. Burkeis the superintendent. The smaller trip-hammers are mounted with HARDENING AND TEMPERING. 63 iron bed-piece& firmly bolted on large timber, furnished with a cast-iron stake, adapted to drawing and swaging spindles, bolts, and other…
Metal-work · Electrometallurgy · Metallurgy
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