Signal model R-77 variable condenser in box
date: label: date made
content: ca 1922
name: label: maker
content: Signal Electric Manufacturing Company
notes: label: Description (Brief)
content: Signal model R-77 variable condenser in original box. Marked: "One / Signal / Cat. No. R-77 / Variable Condenser / Panel Mounting / .0005 MF capacity / Signal Electric Mfg Co. / Menominee, Mich." A 21 plate variable condenser with aluminum plates, .026" thick. Bearing plates are 3/16" blank Formica. Two connection strips are included. Original price: $3.80. Reference: Signal Electric Mfg. Co. catalog, "High Class Wireless Apparatus," 1922, page 9.
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.321631
label: accession number
content: 241556
label: catalog number
content: 321631
objectType: label: Object Name
content: condenser
label: Object Name
content: variable condenser
label: Object Name
content: variable capacitor
physicalDescription: label: Measurements
content: box: 2 3/4 in x 4 in x 4 in; 6.985 cm x 10.16 cm x 10.16 cm
label: Measurements
content: unit: 2 3/8 in x 3 1/2 in x 3 3/8 in; 6.0325 cm x 8.89 cm x 8.5725 cm