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 193
ncavity or radius to that in the crease. For half-round strips, the crease together with the round wiresuffice, or they would be more quickly made in the swage tool, 164,and which might in this manner be made to produce any particularsection or moulding, and that at any distance from the edge by… … a t All the sheet metals up to the thickest boiler plate are treatedmuch after the same general methods; large cast-iron moulds of vari-ous sweeps are employed, the stout iron being heated to redness, andset into them with set hammers struck with the sledge. When acircular bend is wanted in the…
Metal-work · Electrometallurgy · Metallurgy
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