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 197
ch as tin, whichrequire a film of soft-solder on one or other side. Sheet-lead issimilarly joined, and both are usually soldered from within. Figs. 172 and 173 are the mitre and Jwtt-joints used for thickermetals with hard-solders; sometimes 173 is dovetailed together, theedges being filed to… … s Fig. 174 is the Zap-joint; the metal is creased over the hatchet-°take. Tin-plate requires an external layer of solder; spelter solderruns through the crevice, and need not project. Fig. 175 is folded by means of the hatchet-stake, the two arethen hammered together, but require a film of solder…
Metal-work · Electrometallurgy · Metallurgy
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