ERLA No. 3 grid condenser with variable grid leak
date: label: date made
content: ca 1924
notes: label: Description (Brief)
content: ERLA No. 3 fixed grid condenser, "ERLA / No. 3 / Grid / Condenser / .00025 MFD." Electric Research Laboratories Associates. Flat condenser with two contacts. Attached to a variable grid leak that as a removable cover and two mount screw / contacts on base. Ref.: 1923 Sears, Roebuck Radio Catalog, page 21 for similar Audiotron units. Catalog notes that "pencil marks" on the base between the screws provides the variable resistance settings.
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.241556.583
label: accession number
content: 241556
label: catalog number
content: 241556.583
objectType: label: Object Name
content: grid leak
label: Object Name
content: fixed condenser
label: Object Name
content: fixed capacitor
physicalDescription: label: Measurements
content: overall: 1 in x 1 1/2 in x 7/8 in; 2.54 cm x 3.81 cm x 2.2225 cm