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History of Science Museum

Mullard Radio Valve Type EF37A with carton, by Mullard, English, Mid 20th Century

Inventory Number 69132


Acknowledgement: © History of Science Museum, University of Oxford, inv.69132

Item type
Object
Makers
Mullard
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"Mullard / EF 37A / A BVA [LOGO] A / BRITISH MADE" printed on painted exterior surface of bulb. "1284 / 1 G 2" stamped on exterior surface of base. "EF37A / MADE IN ENGLAND" printed on bottom exterior surface of carton.
Object type
Radio valve
Dimensions
Diameter: 30mm Height: 100mm Weight: 0.05kg
Inventory No
69132
Accession Number
2004-9/257

Description

High Gain, High Impenance Pentode Radio Valve (or Tube) Type EF37A, in plain printed cardboard carton. Glass valve with red-painted (or screened) exterior surface. With single steel top cap, plastic? base, eight steel base pins, and one central plastic? base pin. With BVA (British Radio Valve Manufacturers Association) logo stamp on exterior surface of valve.