The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 249
es are simply sectors of paper fastened tothe back of the stationary glass plate. The carrier is therevolving plate itself. Instead of charging brushes, pointedstrips of paper are glued to the paper sectors. These pro-ject through windows in the stationary plate and makecontact with surface of the… … Fig. 192. plate bears a series of metallic carriers. (See Fig. 193.)For a full discussion of the action of this machine, seeElements of Physics, Vol. II, p. 108.
Physics
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