The metal worker's handy-book of receipts and processes : being a collection of chemical formulas and practical manipulations for the working of all the metals and alloys including the decoration and beautifying of articles manufactured therefrom, as well as their preservation (1890)
Brannt, William T. (William Theodore), 1844- · Philadelphia : H. Carey Baird & Co. ; London : Sampson Low, Marston, Searle & Rivington · leaf 469
ween this bath and the winding machine is another small vat with hot water in which the gilded wire is rinsed. The wires unwind from a reel placed in front of the gold bath, run over a brass drum which is connected to the negative pole of the source of current, and transmits the current to the… … spools of the winding machine, these spools are removed and thoroughly dried in the drying chamber. The wire is then again reeled off on to a simple reel, in doing which it is best to pass it through between two soft pieces of leather to increase its lustre. The most suitable formula for the gold…
Metal-work · Metals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
