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3 results for “Electron”

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Britannica 11th

Encyclopaedia Britannica · 11th edition

3 matches

Electron

Britannica 11th

ELECTRON, 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 ...

Vol. 9, pp. 237-237 OCR text aligned to scanned pages Relevance 330.0

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 ...

Vol. 9, pp. 179-192 OCR text aligned to scanned pages Relevance 12.0

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 ...

Vol. 26, pp. 510-540 OCR text aligned to scanned pages Relevance 12.0