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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 263

An illustration from 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, leaf 263
CLEANSING, GKINDING, PICKLING, POLISHING. 265 been bent in every direction, when fixed to a long handle, is useful for scouring the interior of certain pieces, such as Etrus¬ can vases, coffee-urns, etc. (Fig. 14). The varnishers on metal use for rapid work a kind of brush (Figs. 15 and 16), with… … Fig. 14. Fig. 16. Fig. i5' Scratch-brushing is seldom done dry; the tool as well as the pieces must be constantly wet with fluids, especially such as produce a foam in brushing, for instance, water and vinegar, or sour wine, or solutions of cream of tartar or alum, when it is desired to brighten a…

Metal-work · Metals

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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