Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 480
linesand a pressure at right angles to them. When bodiesoppositely excited are brought near together, the lines are almost straight from one to the other (except near the edges) of the facing areas, as shown in Fig. 355. As they are more separated the lines curve outward, always tending to separate… … 460 ETHER DYNAMICS. regarded as purely a ma;tter of convenience. They have no moreand no less existence than have rays of light. Section VII. ATMOSPHERIC ELECTRICITY./ 426. Lightfiing. — Franklin, by a series of historic experi-ments, proved the exact similarity of lightning and thunderto the light…
Physics
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