The discharge of electricity through gases : lectures delivered on the occasion of the sesquicentennial of Princeton University (1898)
Thomson, J. J. (Joseph John), 1856-1940 · New York : Charles Scribner's sons · leaf 188
is the cathode and b is idle, the rays travel alongthe path df; and when b is the cathode and a is idle,they travel along the path ef. When, however, a andb are cathodes simultaneously, the paths of the raysare dg and eh respectively, the two rays havingthus repelled each other. Crookes attributed… … Fig. 31. tube shows that the gas in the body of the tube isin a conducting state, and so would screen off fromone set of rays the electric force due to the otherset. Indeed, E. Wiedemann and Ebert1 have showndirectly by a modification of Crookess experimentthat the divergence of the rays is not due…
Electric discharges through gases · Electricity · Electric Conductivity
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