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 224
thumb and firstfinger, the second finger being employed in steadying thetool, and the third lying on the metal for the purpose ofguidmg. The hammer used is shown at Fig. 61, and shouldbe used lightly and quickly, a rise of about an inch and 120blows per mmute giving the best results. If the work is… … Fig. 195.—Repousse Photo-Frame. embossing) are more effective. To carry out this operation,the metal is removed from the pitch-block after tracmg, andhammered or punched on the reverse side to form the neces-sary relief; this operation may be carried out upon the same 208 METAL-WORK pitch-block by…
Metal-work
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