SEWING BY GALVANIC BATTERY.
One of the latest applications of the galvanic battery is in driving sewingmachines, which it is stated can now be done at the moderate expense of a few halfpence a day. The battery is of a novel construction and was invented by Dr Byrne, of the United States, whose ingenious discoveries are being introduced in England by Mr H. Edwards, Jun., 57, Gracechurch street. Dr Byrne employs a platinised compound negative plate, dilute sulphuric acid being the exciting solution, and with a battery of this kind, with eight cells, he has kept a heavy sewing-machine in motion. He has also invented what is called the Pneumatic Battery, the principle of which is the injection of air into the solution, the result being the
development of a current of extraordinary power* and of great heat. With one of ten cells, a strong platinum wire, thirty inches long, waa quickly made red-hofc. How ou in what precise manner the introduction of air causes so large an increase of power is a question now being carefully investigated by scientific men, and has aroused much interest. The pneumatic battery is expected to prove useful in the fine arts. .. .
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Thames Star, Volume VIII, Issue 2950, 30 July 1878, Page 2
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198SEWING BY GALVANIC BATTERY. Thames Star, Volume VIII, Issue 2950, 30 July 1878, Page 2
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