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 188
SECTION ONA.B … Tap Hole Ground Line>Blast Pipe lag Hole Fig. 158.—Cupola 171 172 METAL-WORK ca]3acity varies from 3 to 20 tons of pig-iron, and the timeoccujDied in running down the charge is from three to sixhours. When the charge is completely melted, the cupolais tapped and the molten metal conveyed in…
Metal-work
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