Murdock variable condenser
date: label: date made
content: ca 1915
name: label: maker
content: Murdock Radio Co.
notes: label: Description (Brief)
content: Marked: "Wm. J. Murdock Co. / Chelsea, Mass. / San Francisco". A rotary variable condenser in a cellophane enclosure, bakelite base and top. Twelve stator and eleven rotor plates. Knurled knob on shaft turns a pointed through 180o scale. Binding posts on top connect stator and rotor to external circuit. Capacity is .0005 mfd. Unit designed for use as a secondary multiple condenser for average wavelengths. Reference: Murdock Apparatus catalog 15, ca 1915, pages 13-14.
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.321506
label: accession number
content: 241556
label: catalog number
content: 321506
objectType: label: Object Name
content: variable capacitor
label: Object Name
content: variable condenser
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 4 in; 6.35 cm x 10.16 cm