The practical metal-worker's assistant : comprising metallurgic chemistry, 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, Scoffern, Clay, Fairbairn, and others (1872)
Byrne, Oliver · Philadelphia : H.C. Baird · leaf 303
sher e, which is rested against a pin in the lathe rest, as a fulcrum, and applied near the centre of the metal ; and a wooden stick /, held on the opposite side to support the edge, the metal is rapidly bent or swaged through the successive forms 1, 2, 3, to 4, so as to fit close against the… … forms of burnishers {h, i, some bent, others T form, and so on, the surfaces of which are slightly greased) are used, together with the hooked stick or rubbery first to force the metal inwards, as shown at 5, 6, 7, and also to curl up the hollow bead which stiffens the mouth of the finished vessel,…
Metal-work · Electrometallurgy · Metallurgy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
