Simplex variocoupler
name: label: maker
content: Simplex Radio Co.
notes: label: Description (Brief)
content: Nameplate reads: “Trade Mark / Simplex / Radio Company – Phila. PA.” A fiber-board cylinder mounted on a wooden base, wrapped with a coil winding of varnished, cloth-insulated copper wire having 7 & 6 taps, inside of which is mounted a rotating ball-type coil, brass adjustment post on one side, contact screws on the other.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325349
label: accession number
content: 252994
label: catalog number
content: 325349
objectType: label: Object Name
content: variometer
label: Object Name
content: variable inductance
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 5 1/2 in x 4 1/2 in; 13.97 cm x 13.97 cm x 11.43 cm