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 117
100 METAL-WOKK and is measured by the maximum size of bar it will take. Aconvenient size is 1 inch. Callipers (Figs. 44,45, and 46).—Callipers are generally madeof good mild-steel. In some cases they are made of cast-steelwith hardened and tempered points. It is questionable if thelatter are as… … Fig. 44. Fig. 45. Fig. 46. little, and a better feel is obtained by soft points. Threekinds are usually used in handicraft centres, and each about4 inches long. 1. Outside callipers, for obtaining the diameters of roundbars, thickness of plates, and for testing parallel faces. 2. Inside callipers,…
Metal-work
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