The Harvard Crimson

Experiments with Cathode Rays.

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 ...
PBS

Discovery of the Electron

Scientists worked with electricity long before they understood that current was made of electrons. The cathode tube was a prime example. By switching on some voltage, scientists could make fluorescent ...
insider.si.edu

J.J. Thomson's cathode ray tube #3, replica of Cavendish Lab apparatus

Click to open image viewer. Replicas of Cavendish Lab. Apparatus (5, l. to r.); obj. ID no. EM.N-08013-A Thompson's cathode ray tube #2, EM.318206 Thompson's cathode ray tube #3, EM.N-08019 Rutherford ...
Wall Street Journal

‘The Matter of Everything’ Review: Progress Through Experiment

Then, in 1895, the German physicist Wilhelm Röntgen was tinkering with a vacuum tube that had two electrical connections, known as cathodes, attached to it. When he ran an electric current through the ...
The Harvard Crimson

CATHODE RAYS.

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 ...