Kellogg model 605 variable capacitor
date: label: date made
content: ca 1925
name: label: maker
content: Kellogg Switchboard and Supply Company
notes: label: Description (Brief)
content: Kellogg model 605 variable capacitor for radio tuning. Marked: "No. 605 / Kellogg S&S Co. / Chicago, U.S.A." A variable capacitor with vernier plate tuning. Main tuning control turns 21 rotor plates through 22 fixed stator plates, Vernier control turns two rotor plates through three fixed plates. Triangular bakelite insulating strips are employed with binding posts on the back panel. Tuning scale: 0-180.
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.321720
label: accession number
content: 241556
label: catalog number
content: 321720
objectType: label: Object Name
content: capacitor
label: Object Name
content: variable condenser
physicalDescription: label: Measurements
content: overall: 4 in x 4 3/4 in x 7 1/2 in; 10.16 cm x 12.065 cm x 19.05 cm