Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 301
280 ELECTEICtTY AND MAGNETISM. pouring from pole to pole, is often striated or divided trans-versely into luminous sections, with alternating darker sections,as shown in Figure 194. These striae vary in shape and color … with the degree of the vacuum, and the kind of gas or vaporthrough which the discharge passes. Experiments with thesetubes succeed best when used with the induction coil. § 228. Lightning. — Certain clouds which have formed veryrapidly are highly charged with electricity, usually positivelycharged.…
Physics
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