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History of Science Museum

STC Radio Tube Type 6J5G, by STC, English, Mid 20th Century in Box

Inventory Number 59723


Acknowledgement: © History of Science Museum, University of Oxford, inv.59723

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"S.T.C. 101" etched on base surface. "6J5G.N. / 10 E/348" etched on base surface. "6J / 5G" printed on exterior surface of bulb. "VT181 / 6J5" inscribed on carton lid
Object type
Radio communication
Dimensions
Diameter: 35mm Height: 100mm Weight: 0.05kg
Inventory No
59723
Accession Number
2004-9/219

Description

STC Medium-Mu Triode Radio Tube (or Valve) Type 6J5G, in plain umarked cardboard carton. Glass tube with black plastic? base. With six steel base pins and one central black plastic? base pin. Lower part of tube blackened and silvered, probably due to use.