Sujet
The 'Ignitron' tube, 1938. Artist: Unknown.
Légende
The 'Ignitron' tube, 1938. Invented by Joseph Slepian, an employee of Westinghouse, the Ignitron is a gas-filled tube known as a mercury-arc rectifier. It is used to switch high currents in heavy industrial processes. Churchman's cigarette card, from a series titled Modern Wonders [WA & AC Churchman, Great Britain & Ireland, 1938].
The Print Collector collection
Date
1938
Crédit
Photo12/Heritage Images/The Print Collector
Notre référence
HRM19C67_240
Model release
Non
Licence
Droits gérés
Format disponible
32,7Mo (3,1Mo) / 33,7cm x 24,4cm / 3980 x 2876 (300dpi)