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 276
metal when being hammered,the well of this model must be worked before marking out theedge design. The well is bossed out with an egg-ended mallet on thesand-bag or on a cast-iron block in which a suitable recesshas been turned. As the bossing proceeds it will be foundthat the copper hardens, and… … Model 14. Model 15—Screw of Jack : Mild-Steel.—Cut off a short bar of mild-steel about \ inch greater in dia-meter and 1 inch longer than thefinished model. Centre the bar asmentioned in the chapter on LatheWork, and fix up the bar in thelathe; and, working from the deadcentre, turn down about If…
Metal-work
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