Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 267
at the twocoats of a Leyden jar are oppositely charged; introduced theterms positive and negative electricity; proved the identity oflightning and frictional electricity by flying a kite in a thunder-storm and drawing sparks from the insulated lower end of thekite string; invented the lightning… … FiiAMvi.iNs Kite Exi-ekimknt In Jvine, 1752, Franklin demonstrated the identity of the electrie spark and light-ning. To prevent his kite from heing torn in the rain he made it of a silk handker-chief. The lower end of the kite string and a silk rihhon were tied to the ring of akey, and, to prevent…
Physics
Internet Archive · UBC Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Ethica naturalis, seu, Documenta moralia e variis rerum naturalium proprietatib[us], virtutum vitiorumq[ue] symbolicis imaginibus collecta (1700)](https://img.insideoutlibrary.com/img/200/ia-ethicanaturaliss00weig-114-56.webp)
