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3 results for “Electron”
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Britannica 11th
Encyclopaedia Britannica · 11th edition
Electron
Britannica 11thELECTRON, the name suggested by Dr G. Johnstone Stoney in 1891 for the natural unit of electricity to which he had drawn attention in 1874, and subsequently applied to the ultraatomic particles carrying negative charges of electricity, of which Professor Sir J ...
Electricity
Britannica 11th... ." This ultimate unit of electric quantity Professor Johnstone Stoney called an electron? The formulation of electrical theory as far as regards operations in space free from matter was immensely assisted by Maxwell's mathematical theory. Oliver Heaviside afte ...
Telegraph
Britannica 11th... fact that incandescent bodies, especially in rarefied gases, throw off or emit electrons or gaseous negative ions. Such an oscillation valve was first used by Fleming as a receiver for wireless telegraph purposes in 1904 as follows: — In between the receiving ...