Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 212
rmed drill chucks.These are classified by the maximum diameter they will grip.A J-inch drill chuck will grip drills from the smallest possiblesize up to h inch diameter. Chucks are made from mild-steelin the small sizes, and of cast-iron or mild-steel when of largediameter. A third method of… … 196 METAL-WORK as long bars of large diameter, which cannot conveniently bedealt with by either of the previous methods.
Metal-work
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