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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 296

An illustration from 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, leaf 296
ig. 325; and in Fig. 322 is shown to support a cy-lindrical standard R, the upper central portion of which receives thepouring pan A. This pan is charged with each separate size of DRILLS FOR METAL. 291 shot. Round the pouring pan A. is a circular waste trough z. The ob-ject of this arrangement is… … The shot falls through the open centre of the ring /, into the watercistern C, where a shoot t, carries it into the tub S, which when fullmay be removed through x, an aperture in the cover of the cistern. DRILLS. Drills for Metal, used by Hand.—The frequent necessity,in metal works, for the…

Metal-work · Electrometallurgy · Metallurgy

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More pictures from 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 ...

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