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 27
tliey consist chiefly of fire-clay and black > lead ; they are manufactured either as pottery-ware, on a wheel, or by mould and mandrel. The mate- rials should be free from lime, and wrought as com- pacted as possible, and slowly dried in a kiln. When fire-clay cannot be had, common clay, steeped… … Fig. 5. crucible fast. These tongs should be strong, and of various sizes. FUEL. Hard coke is generally employed for brassfounders' furnaces and stoves. Coke should leave only a small per-centage of ash, and should practically convert six to eight pounds of water into steam, for every one
Brass founders
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
