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 102
Middle.Fig. 23.—File Cuts. … Rough. Note.—These sizes are taken on a 12-inch file. In thesmaller sizes the number of cuts per inch is greater as thelength diminishes. The teeth are formed by giving two separate sets of cutsalong the material in such a manner as to form each tooth ofdiamond shape, the first set being at an…
Metal-work
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