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 50
irst to indent, and then to ORDINARY PRACTICE OF FORGING. 45 break off the work, but this is likely to injure the anvil, and is a badpractice. When it is required to make a set-off, it is done by placing theintended shoulder at the edge of the anvil: the blows of the ham-mer will be effective only… … flat-ended set hammer, struck by the sledge, is used for setting downthe upper shoulder, as in Fig. 28, as the direct blows of the hammercould not be given with so much precision. In each of these casessome precaution must be observed, as otherwise the tools, althoughso much more blunt than the…
Metal-work · Electrometallurgy · Metallurgy
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