Professor John Trowbridge delivered a lecture last night in the Jefferson Physical Laboratory, under the auspices of the Engineering Society, on "Cathode Rays." The large lecture room was filled to ...

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At that time the writer of this review was contending strongly that the X-rays must be regarded as corpuscular, if their general behaviour, and in particular their relations to cathode rays, were to ...

Professor Trowbridge's experiments with the cathode rays at the Jefferson Physical Laboratory have shown that the quality of glass constituting the Crookes tubes has very little to do with the ...

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