Marconi Radio Valve Type U10, by Marconi Company, London, 20th Century

Subject: Radio communication; Radio communication; Radio communication; Radio communication
Item type: Object
Provenance: Presented by the Marconi Corporation.
Primary inscriptions: "Marconi / Valve / B.V.A." printed on label stuck to exterior surface of bulb. "MADE IN ENGLAND / U10 / PATENTED" printed on top of exterior surface of bulb. "MOV CO LTD" printed on underside of base.
Physical material: Glass; steel; plastic; assorted metals.
Object type: Radio valve
Dimensions: Diameter: 50mm Height: 125mm Weight: 0.05kg
Inventory No: 79785
Accession Number: 2004-9/358

Description

Marconi Radio Valve (or Tube) Type U10 with mostly silvered glass balloon envelope, polished black plastic? base and four steel base pins.