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Ignitron
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An ignitron is a type of gas-filled tube used as a controlled rectifier and dating from the 1930s. Invented by Joseph Slepian while employed by Westinghouse, Westinghouse was the original manufacturer
Ignitron rectifiers powering industrial process, 1945
Ignitron rectifiers powering industrial process, 1945
An ignitron rated 56 amperes. Cooling jacket connections visible. In use the device was mounted so that the text would be upright.
An ignitron rated 56 amperes. Cooling jacket connections visible. In use the device was mounted so that the text would be upright.
Thyratron
Videos
A thyratron is a type of gas-filled tube used as a high-power electrical switch and controlled rectifier. Thyratrons can handle much greater currents than similar hard-vacuum tubes. Electron multiplic
Rare Z806W relay tube used in elevators
Rare Z806W relay tube used in elevators
Wynn-Williams's scale-of-two counter using thyratrons (with permission of the Cavendish Laboratory, University of Cambridge, UK.)
Wynn-Williams's scale-of-two counter using thyratrons (with permission of the Cavendish Laboratory, University of Cambridge, UK.)
R.C.A. brand 885 Triode Thyratron
R.C.A. brand 885 Triode Thyratron