The practical metal-worker's assistant : comprising metallurgic chemistry, 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, Scoffern, Clay, Fairbairn, and others (1872)
Byrne, Oliver · Philadelphia : H.C. Baird · leaf 472
470 THE PRACTICAL METAL-WORKER ’s ASSISTANT. stock, adjustable sideways, cast-iron cone-pulleys, gun metal bear¬ ings, and cast-steel spindle. Fig. 512. Fig. 513 is an engine lathe manufactured at the Lowell Machine Shop, Lowell, Massachusetts. Its swing is 50 inches over the sills, and 32 over the… … The bed of this lathe is cast in one piece, the feed motion is carried by a screw, the tool rest held down by gibs under the slides, and moved on a toothed rack and pinion by hand. Screw Threads Considered in Bespect to their Propor¬ tions, Forms, and General Characters. — The proportions given to…
Metal-work · Electrometallurgy · Metallurgy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
