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 241
9. I t n226 THE OUTLINES OF PHYSICS In later machines glass disks were substituted for thespheres and cylinders, and a rubber consisting of silk orof undressed leather was used instead of the hand. Itwas soon found that an application of an amalga;m ofsodium to the leather greatly enhanced the… … Fig. 180. (1) A glass plate mounted upon a cylindrical axis andturned by means of a crank. (2) A pair of leather-faced rubbers, r, which clamp themachine near the periphery of the glass. (3) A prime conductor, as it is called, which is a metalbody, usually cylindrical in shape with rounded ends,…
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
