The brassfounder's manual : instructions for the modelling, pattern-making, moulding, alloying, turning, filing, burnishing, bronzing, etc., etc. ... (1879)
Graham, Walter · London : Crosby Lockwood and Co. · leaf 42
ured. Mixing and Pouring Metals.—Hhis is yet an open subject. The method commonly adopted for brass is to melt the least volatile metal first, and to plunge the more volatile under the liquid surface with the tongs, in small lumps and hot, in preference to large pieces, which are apt to thicken the… … Fig. 15.- Method of Pouring Brass. its volatile nature. To prevent such loss, charcoal and broken glass have been employed in layers above the metals. If the metal or alloy be too hot, the casting will
Brass founders
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