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 349
of the result now depends almost entirely upon the perfectionof the guide-screw, and which we will suppose to possess very exactly2, 4, 5, 6, or some whole number of threads in every inch, althoughwe shall for the present pass by the methods employed in producingthe original guide-screw, which thus… … tached to the mandrel of the lathe by means of a chuck to which is alsoaffixed a toothed wheel marked M, therefore the mandrel, the wheel,and the work partake of one motion in common; the tool is carriedby the slide-rest, the principal slide of which is placed parallel withthe axis of the lathe as…
Metal-work · Electrometallurgy · Metallurgy
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