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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 322

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 322
nding the varnish the acid may rise by capillary attraction and corrode the copper band between the carbon and the wire ; therefore, binding screws of various shapes and sizes should be used to connect the carbon or zinc by means of ribbons or wires. Use conducting wires of pure copper covered with… … Other batteries used are Daniell’s, Grove’s, Grenet’s, Srnee’s, Meidinger’s, etc., but for a description of these and of dynamo- electric machines the reader is referred to works on this subject. Batteries must be kept in a place where the temperature does not greatly vary. A frost arrests their…

Metal-work · Metals

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

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