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 182
m scoring or breaking. Although some iron castings employed for bridges, girders, andeven for machinery, require the enormous quantities of iron referredto, on the other hand, this useful metal is employed for exceedinglylight and beautiful castings, abundant examples of which may beseen in the… … Its length is 4 feet 10 inches, it consists of about 180 links, andweighs If oz. avoirdupois. It was thus made : the larger links a a,were first cast separately, a solid model of the chain about 8 incheslong, with core prints, as in Fig. 131, was then moulded; the linksa, previously smoked to…
Metal-work · Electrometallurgy · Metallurgy
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