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 155
estos or coke. The blowpipeshould be fitted with two valves, two types of which are shownat Figs. 110 and 111, to regulate the supply of air and gas. Flux.—Borax is the flux used for all metals when brazing.Its action is perfect, as when heated, it quickly combineswith any oxides on the work, and… … Fig. 109.—Brazing Heaeth
Metal-work
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