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 267
lnow be correct to length, with one long edge true. Place thislong edge on the surface plate, and with the scribing blockscribe a line to correct width and file to the line; then set off,and drill the holes. Then nail the model to a block of wood,using the drilled holes for the nails, and file up… … Model. 3. Model 3—Key Hooh : Aluminium.—^The outline of the backplate should first be designed on paper. Cut out the necessarymaterial, and before marking out the design the face of themetal should be neatly hammered with the ball pane of asmall hammer, which improves the face and stiffens the…
Metal-work
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