Meadowcroft, Wm. H. (William Henry), b. 1853 · New York & London, Harper & brothers · leaf 72
treets and large spaceswhere a great quantity of lightis wanted. It would not be pleasant tohave one of these dazzling arc-lamps in your parlor — al-though it would give a greatdeal of light — because youreyes would soon become tired.But two or three of the smallincandescent lights (Fig. 16)would… … Fig.15 A-B-C OF ELECTRICITY Now, if you will read patiently and care-fully, we will try and explain how both theselights are made.You have seen that the telegraph, tele-phone, electric bells,etc., are worked bybatteries. Electriclights, however, re-quire such a largeamount of current thatit is too…
Electricity
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