History of Science Museum: Collection Database Search

Record Details

Osram Radio Valve Type P2, by Osram Company, English, 20th Century

preview image for Osram Radio Valve Type P2, by Osram Company, English, 20th Century
Inventory Number: 57431
Object Type:
Place Created: England United Kingdom Europe
Accession Number: 2004-9/346
Brief Description: Osram Radio Valve Type P2, in glass balloon envelope. Upon polished black bakelite? base with four steel base pins. Previously catalogued with assorted other valves.
Primary Inscriptions: "MADE IN ENGLAND / P2 / PATENTED" printed on top exterior surface of bulb. "OSRAM / BVA" printed on transfer stuck onto exterior surface of valve.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
bakelite?
steel
assorted metals.
Dimensions:
Height Width Depth Diameter Unit
45 mm

Narratives

Image with multimedia irn 39506Image with multimedia irn 39507

Permalink: http://www.mhs.ox.ac.uk/object/inv/57431