A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 231
e air was first positively electrified,but after an exposure of if hours only a triflingevaporation was noticeable. The water wasthen negatively electrified, and at the end of iihours had lost yoVcr part of its weight more thandid the positively charged water. Professor Crookes experimented with… … Fig 243. Electrical Evaporation. ^vided with platinum poles sealed in the glass atA and B. Two pieces of cadmium, C and D,were placed in the tube in the position shown,and the tube uniformly heated by means of a gas-burner and air bath, and maintained at a constanttemperature. The current was then…
Electricity · Electrical engineering
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