Crookes tube


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Related to Crookes tube: cathode ray, William Crookes
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Words related to Crookes tube

the original gas-discharge cathode-ray tube

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References in periodicals archive ?
22, 1890, Professor Arthur Good-speed of the University of Pennsylvania was demonstrating the properties of a Crookes tube to William Jennings, a photographer.
In 1895, Wilhelm Conrad Roentgen noticed that a fluorescent material glowed when a Crookes tube was operated nearby, even though the tube was well masked in cardboard.
In 1880, using his own Crookes tube, he showed that cathode rays traveled in straight lines and cast sharp shadows.
Wilhelm Roentgen was conducting a series of experiments by passing an electric current through Crookes tubes - special tubes containing a cathode and electrode from which the air has been removed - when he made the shock discovery in 1895.