Barrett & Paden variable condenser
date: label: date made
content: 1925
notes: label: Description (Brief)
content: Marked: "Pat. Applied For / B&P Products / Condenser / Barrett & Paden / 1314 Sedgwick St. / Chicago, Ill." A variable capacitor of unusual construction, consisting of ten movable rectangular plates that interleave with eleven fixed plates. A push-pull control axle with a 0 to 9 calibrated scale varies the capacity of the condenser. Rotary knob control with 0 to 100 scale calibration provides vernier tuning. Connectors to external circuit are made from binding posts affixed to rotor and stator frames. Original price: $4.95. Reference: advertisement, Radio World, 23 May 1925, page 2.
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.321565
label: catalog number
content: 321565
label: accession number
content: 241556
objectType: label: Object Name
content: condenser
label: Object Name
content: variable condenser
label: Object Name
content: variable capacitor
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 3 1/2 in x 5 1/2 in; 8.89 cm x 8.89 cm x 13.97 cm