Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 264
when thelightning strikes. 866. The Theory of the Thunder Storm is well shownby the apparatus of Fig.309. A Leyden Jar is fittedwith a copper wire bent asshown, and with a pointedpiece soldered on at D so asFig. 309. to rest upon the knob of the Jar. One end of the wire, E, carries a scale pan in… … THE LIGHTNING KOD. 255 The Jar is charged and placed on a sheet of tin-foil, AB,which represents the earth. The copper wire is thenplaced upon the Jar, and the free electricity of the insideat once spreads to the cotton, where its presence is shownby the divergence of the fibers. But the sheet of…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.