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 73
THE BRxVSSFOUNDER^S MANUAL. 59 The flux employed for spelter-solder is borax, which can either be used separately, or mixed, by rubbing, to a cream, or mixed with the solder in a very little water. When the work is cleaned, bound, fluxed, and speltered^ the whole is subjected to a clear charcoal or… … Fig. 24. The air passes from a bellows propelled by the foot through A, Fig. 24. The gas passes through B, and the flame can be directed to any point, on account of its being hinged at c c. The flame can bo extended by using several stands, or by con-
Brass founders
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
