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A Crookes tube (also Crookes–Hittorf tube) is an early experimental electrical discharge tube, with partial vacuum, invented by English physicist William Crookes and others around 1869-1875, in which cathode rays, streams of electrons, were discovered.
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In a series of experiments in London, England at the house of Crookes in February 1875, the medium Anna Eva Fay managed to fool Crookes into believing she had genuine psychic powers. Fay later confessed to her fraud and revealed the tricks that she had used. [67]
Jun 13, 2024 · Sir William Crookes was a British chemist and physicist noted for his discovery of the element thallium and for his cathode-ray studies, fundamental in the development of atomic physics. After studying at the Royal College of Chemistry, London, Crookes became superintendent of the meteorological.
- The Editors of Encyclopaedia Britannica
Crookes was very innovative in his investigations with vacuum tubes and designed a variety of different types to be used in his experimental work. One of the most famous is the Maltese cross Crookes tube, which he used to demonstrate that cathode rays travel in straight lines.
Sep 20, 2022 · In 1878, Sir William Crookes, a British scientist, displayed the first cathode rays using a modification of the Geissler apparatus. His major contribution to construction of the tube was to develop ways to evacuate almost all the air from the tube.
English chemist Sir William Crookes (1832 – 1919) invented the Crookes tube to study gases, which fascinated him. His work also paved the way for the revolutionary discovery of the electron and the invention of X-ray machines.
Apr 18, 2017 · A Crookes tube is an early experimental electrical discharge tube, with vacuum, invented by English physicist William Crookes and others around 1869-1875, in which cathode rays, streams of electrons, were discovered.
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