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 280
ly inplace, and with the scriber mark through the exact positionof the rivet holes. Their centres should be punched and theholes drilled, after which the stay should be riveted in itsplace and the model completed. Model 22—Drill: Cast-Steel.—Forge out the end of a barof cast-steel to suitable size,… … Model 22. Model 23—Centre-Punch: Cast-Steel.—Take a bar of f-inchoctagonal cast-steel and forge down round to a suitable length,allowing for the point, anneal as in the previous model, thencut off to length. Fix the forging in the lathe chuck, and file
Metal-work
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