De Forest type CS radio loading condenser
date: label: date made
content: ca 1919
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Description (Brief)
content: No extant maker's markings. An external bridging or loading condenser. Consists of a small sectional mica condenser of ten taps that are thrown in and out of the circuit by a fan switch. Two binding posts on the bakelite panel provide connections to the external circuit. Appears to be a De Forest CS condenser, available in .0015 or .003 MF capacity. Original price: $7.00. Reference: De Forest catalog C, 1919, page 10. Also: https://www.radiomuseum.org/r/deforest_glen_cs_3002.html
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.321469
label: catalog number
content: 321469
label: accession number
content: 241556
objectType: label: Object Name
content: variable condenser
label: Object Name
content: variable capacitor
physicalDescription: label: Measurements
content: overall: 3 in x 5 1/8 in x 5 1/8 in; 7.62 cm x 13.0175 cm x 13.0175 cm