Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 134
rstS Machine.—This consists of two identicalplates of glass which are mounted on horizontal spindles so as torotate in contrary directions, and aie provided on the outside withnarrow strips of tinfoil arranged radially at equal distances apart(Fig. 63). Two horseshoe-shaped conductors provided with… … Fig. 63. with each other, are placed, one opposite each plate; they havesmall brushes at their ends which graze against the bands oftinfoil. The direction of rotation of the plates is such that a radius,which at any instant is horizontal, becomes parallel to the corre-sponding diametral conductor…
Electricity · Magnetism
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