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 264
eparate the blades, and the shears would bestrained or perhaps broken without dividing the bar, whereas allthese evils are avoided if the shears close accurately in one and thesame plane, as if the lower blade were shifted to the dotted line, HAND SHEARS FOR METAL. 259 and in which case they… … Fig. 272. inches in total length; they are much used by tinmen, coppersmiths,silversmiths, and others who work in sheet metals, and are oftencalled snips, to distinguisht hem from bench shears; sometimes, how-ever, they are fixed by the one limb in the table or tail vice, andthen become essentially…
Metal-work · Electrometallurgy · Metallurgy
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