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 25
20 METALS. provements. This is a method of making wrought-iron directly fromthe ore, patented by Alexander Dickerson, of Newark, N. J., 22dJuly, 1850. We have seen some of the iron produced, it is of thebest quality. Of this furnace, Fig. 2 represents a side view when complete. Fig.3, a… … Fig. 5. Fig. 6. Fig. 3.
Metal-work · Electrometallurgy · Metallurgy
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