RCA model UR-556 socket adapter
date: label: date made
content: ca 1925
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: Adapter for Radiotron UX-120 model UR-556 in original box with instruction sheet. Socket adapter designed for using Radiotron UX-120 in last audio stage of Radiola Super-Heterodyne or Radio Super VIII or any receiver employing UV-199 tubes. Original sale price: $1.50. Reference: Instruction for using Model UR-556 Adapter (Oct. 1925); Pettingell-Andrews Catalog #7, 1925-26, page 30.
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.322042
label: accession number
content: 241556
label: catalog number
content: 322042
objectType: label: Object Name
content: tube adapter
label: Object Name
content: socket adapter
label: Object Name
content: tube socket adapter
physicalDescription: label: Measurements
content: box: 2 in x 1 1/4 in x 3 3/4 in; 5.08 cm x 3.175 cm x 9.525 cm
label: Measurements
content: unit: 1 1/2 in x 1 1/4 in x 3 in; 3.81 cm x 3.175 cm x 7.62 cm