RCA-GE model PR-536 potentiometer
date: label: date made
content: 1922
name: label: maker
content: Radio Corporation of America
label: maker
content: General Electric Company
notes: label: Description (Brief)
content: RCA-GE model PR-536 potentiometer in original box. Marked: "Model Pr-536 / 200 ohms 0.2 Amp. / For panel or table mounting / For plate voltage control on Rec- / eiving tubes, also other uses. / Mfd. by General Electric Co., USA / for Radio Corporation / of America." Unit is an "A" battery potentiometer designed to be used with a type UV-200 detector tube. It is provided with three contacts, two of which are shunted across the A battery. The third contact is connected to a tap on the negative side of the plate battery and permits varying plate voltage. Original sale price: $2.00. Reference: RCA Catalog, 1922, "Radio Enters the Home," page 53.
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.321646
label: catalog number
content: 321646
label: accession number
content: 241556
objectType: label: Object Name
content: potentiometer
physicalDescription: label: Measurements
content: overall: 1 1/2 in x 2 in x 2 1/2 in; 3.81 cm x 5.08 cm x 6.35 cm