Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 51
, and up to8 charges have been found. By this method. ProfessorThomson has been able to de-termine the atomic weights ofnumerous elements, ^ and has,indeed, discovered substances asyet unknown to the chemist.When, for example, nitrogen is put into the tube thereare seen on the photographic plate… … Pia. 11.—Photograph obtainedby J. J. Thomson of parabolic lociof positive particles subjected tomagnetic and electric fields at rightangles to each other. The differ-ent traces represent different sub-stances. In the figure, the magneticdeflections are vertical. The mag-netic field was reversed…
X-rays
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