Marconi-Osram type T15 radio valve
date: label: date made
content: ca 1928
name: label: maker
content: Marconi-Osram Valve Co., Ltd.
notes: label: Description (Brief)
content: Marconi-Osram type T15 triode in original box. A 4-pin metal base with plastic insulator. Tipped S-shaped envelope. Marked: "T15 / 2186 / Marconi Valve / Made at the Osram Lamp Works / Covered by Various Patents / Made in England".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322499
label: catalog number
content: 322499
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: box: 5 1/4 in x 3 3/8 in x 3 1/8 in; 13.335 cm x 8.5725 cm x 7.9375 cm
label: Measurements
content: unit: 4 1/2 in x 2 in; 11.43 cm x 5.08 cm