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
FiQ. 110.—Blowpipe (Valve Each Side). … Fig. 111.—Blowpipe with Valves together. quantities are manufactured chemically by combining thevarious elements of which it is composed. SOLDERING AND BRAZING 139 Spelter.—The fusible alloys used for brazing are termed spelters/ and are usually alloys of copper and zinc (brass).The temperature of…
Metal-work
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