Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 162
the irregularities in the electrons motionwe might hope to observe experimentally the predicted heli-cal tracks. Belov^ are a few of C. T. R. Wilsons photographs of thetracks of secondary cathode rays and beta particles. In the firstfigure are seen the tracks of the cathode rays ejected by a… … irregular and too confused with each other to trace so perfect aspiral form ; but you will notice that in almost every case, the trackterminates in a close spiral. The tracks can be examined moresatisfactorily if we use a photograph showing a smaller number.In the next figure I have called…
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