Titel
Fleming diode, British, 1905.
Caption
This electronic diode was one of Sir John Ambrose Fleming's (1849-1945) own valves or vacuum tubes of the type used with the pioneering Marconi-Fleming radio receiver. The diode rectifies high frequency oscillations, that is, it converts them from alternating to direct current. The glass bulb has a high vacuum inside and contains a carbon filament surrounded by an aluminium tube open at both ends. Fleming invented the thermionic valve and pioneered the use of electricity for light and heat on a large scale., 7020001
Aufnahmedatum
01.01.2009
Bildnachweis
Science & Society / FOTOFINDER.COM
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10312438
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2770px x 3504px, 23,50 cm x 29,70 cm (300 dpi)
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Land
United Kingdom
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Fotofinder.com Bildnummer
7020001
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Stichworte
Stichworte
Age of Electricity (1870-1913)
,
Diodes
,
Electrical Apparatus
,
Electronic Diodes
,
Fleming diodes
,
Gugliemo
,
Marconi
,
Radio Receivers
,
Receivers
,
SCIENCE & TECHNOLOGY
,
ow_science-society
,
pmscartandhistory
,
pmscinternational
,
telecommunications
,
thermionic valves
,
vacuum tubes
,
vacuums