Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 912
for the expense of the acids and the zinc which they use veiy far exceedsthat of the coal in steam-engines of the same force. Thus a machine devised by Kravogl produces about 17 per cent, of theuseful effect due to the chemical combination of the zinc with the acid in thebattery, and therefore in… … worked by electricity, independently of any question as to the cost of con-struction, or of the cost of the acids, are sixty times as dear to work assteam-engines. The energy of the electrical current may be compared with the Iis vivaof a small mass which moves with very great velocity. Hence it…
Physics
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