Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 345
hines than a form of apparatus designed foractual use. One of the earliest machines embodying theseprinciples was the revolving doubler invented by Nicholsonin 1788. 287. Toepler-Holtz Machine. — In a form of machine in-vented by Holtz, though somewhat modified by Toepler and 334 ELECTROSTATIC… … Fig. 207. The carriers are discs of tin foil, fastened to another glassplate, which revolves just in front of P. The collectingbrushes of Fig. 206 are replaced by combs with a number ofsharp-pointed teeth set very close to the revolving disc, butso that there is no metallic contact between the…
Physics
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