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 155
arate, there wouldbe no difficulty in removing first the upper half of the flask, the falsecores, after which the patterns would be quite free. The term false coreis employed by the brass-founder to express the same thing as thedrawback of the iron-founder. The former calls every loose pieceof the… … ing the same thing, when the pattern is made in two parts in themanner represented. The entire model is first knocked into the side A, the sand is cutaway to the inner margin of the pattern which terminates upon the MODES OF REVERSING AND FIGURE CASTING. 151 dotted line a, and the side A, of the…
Metal-work · Electrometallurgy · Metallurgy
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