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Crookes



Sir William, 1832–1919, English chemist and physicist: discovered the element thallium and the cathode ray.
Historical Examples

Appletons’ Popular Science Monthly, April 1900 Various
Little Masterpieces of Science: Various
The Journal of Leo Tolstoi (First Volume–1895-1899) Leo Tolstoi
The Shadow World Hamlin Garland
The Outline of Science, Vol. 1 (of 4) J. Arthur Thomson
The Tyranny of the Dark Hamlin Garland
The Outline of Science, Vol. 1 (of 4) J. Arthur Thomson
Mysterious Psychic Forces Camille Flammarion
The Boy’s Playbook of Science John Henry Pepper
Mysterious Psychic Forces Camille Flammarion

noun
Sir William. 1832–1919, English chemist and physicist: he investigated the properties of cathode rays and invented a type of radiometer and the lens named after him
Crookes
(krks)
British chemist and physicist who discovered thallium in 1861 and invented the radiometer (1873-76). He also developed the Crookes tube, a modified vacuum tube that was later used by W.C. Roentgen and J.J. Thomson in experiments that led to the discovery of x-rays and the electron, respectively.

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