Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 263
Fig. 307. *See Section 473. THE THUNDEK STORM. 253 … 859. The Luminous Pane closely resembles the SpiralTube. Fig. 308. It is simplya pane of glass with strips oftin-foil pasted upon it, andcut away at places. WhereFig. 308. it is cut away the spark ap- pears, since the electricity is interrupted there in its passage. 860. Magnetic Effects. Finally,…
Physics
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