unmarked loose coupler
date: label: date made
content: ca 1915
notes: label: Description (Brief)
content: No extant maker's markings. A standard receiving transformer or "loose coupler" with binding posts on each side. Two sliders allow user to vary the inductance of the unit.
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.321612
label: accession number
content: 241556
label: catalog number
content: 321612
objectType: label: Object Name
content: radio frequency coupler
label: Object Name
content: variable inductance
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 14 in x 5 in; 13.97 cm x 35.56 cm x 12.7 cm