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 348
Figs. 449. . 450. … The lathe revolves with continuous motion; and the long bar orrod being held by the two hands in the position shown, the guide g,and the tool t, are traversed simultaneously to the left by the screwguide ; and when the tool meets the shoulder of the work, both handsare suddenly withdrawn, and the…
Metal-work · Electrometallurgy · Metallurgy
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