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 660
emaining with the steel appears greatly to improve its quality. All of the trials made in various countries agree in this: that to be successful the Bessemer process for making steel requires a pig-metal of the first quality, and the addition of Spiegeleisen. The shape and disposition of the… … box with the blowing machine, the blast passing through a Fig. 609 curved pipe along the lower part of the converter, and termi-
Metal-work · Electrometallurgy · Metallurgy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
