is theory be tenable, the curves in a central area of the cathode plate, rather than from example it would seem desirable to examine the spectra of comets' tails and all the rapid changes in form and of electrical discharges in rarefied gases free from con- its entire surface. In the side view of… … vestigation um above, it Fig. 3.-CATH0DE BEAM BIFURCATED BY A MAGNET. which, it seems Fig. l.-CATHODE BEAM IN CROOKES Fig. 2.-CATH0DE BEAM, SIDE VIEW, should present SHOWING RESEMBLANCE TO SIM- TUBE, DIAGONAL VIEW. to me, is sug- about the col- PLE COMET. gested by my ors observed in photographs,…
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