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 40
oping vessel a , a porcelain sieve b, suspended by means of a platinum wire to a glass rod, a funnel c and a bent tube, to which is secured a second tube by means of a rubber hose. By the clip d the gas developed in the glass vessel may be shut off. The porcelain sieve is filled with small pieces… … Fig. 2. odor of putrid eggs; it is not an irritant, but, on the contrary, powerfully narcotic. Water absorbs it with avidity. It has the property of decomposing the oxides of heavy metals and precipi¬ tating the metals as metallic sulphides. The precipitate has generally a characteristic color. In…
Metal-work · Metals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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