Wright, Mark R., 1854- · London : Longmans · leaf 199
,indiarubber, or other resinous substance ; and a flat metal plateA, to which is attached an insulating handle of glass or ebonite.The cake is struck or rubbed with fur, and thus becomes negativelyelectrified ; by induction the part of the table or surface on which it 190 Frictional Electricity… … the negative electrification on the upper part of the cake, acts byinduction upon the cover, the lower surface being positively elec-trified while the upper is negatively electrified, and the potential falls + + + + + Fig. 183. 1+ T T + + + ■+ + + Fig. 184. J
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
