Mullard type PM 24 pentode
date: label: date made
content: ca 1928
name: label: associated user
content: unknown
label: maker
content: Mullard
notes: label: Description (Brief)
content: A plastic four-pin base with binding post on side. Tipless S-shaped envelope mostly silvered on inside. Stamped on one side: "Mullard / Pentone / Registered Trade Mark / PM24 / BVA". BVA is British Valve Association, a trade consortium. On other side: "Registered Trade Mark / Radio Mullard Valve / Protected By Patent / KB / Dummy." "A" molded on base near one pin. Philips-Mullard, See Reference: Tyne, "Saga of the Vacuum Tube," page 377-379.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Weston Electrical Instrument Corp., thru John H. Miller
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313294
label: catalog number
content: 313294
label: accession number
content: 181342
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 2 in; 11.43 cm x 5.08 cm