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 ...
A trade manual on metalworking compiled by Oliver Byrne from Holtzapffel, Bergeron, Leupold and other sources, published in Philadelphia by H.C. Baird in 1851 for working smiths, founders and machinists. The 150 wood-engraved figures are line diagrams of vices, clamps, swages, furnaces and forge hearths, drawn in plan, section and elevation with dotted centre lines and letter keys, useful as spare technical linework or as parts for diagrammatic collage.
