Electro Importing Co. radio loading inductance
date: label: date made
content: 1912
name: label: maker
content: Electro Importing Co.
notes: label: Description (Brief)
content: Marked: "EI Co. / N.Y. / Loading Inductance / No. 8487". Coil was designed to be placed in series with E. I. Co. No. 8486 or No. 9950 tuning coils., or No. 12002 coupler to provide an extension in wave length to receive signals up to 5000 meters. Six switch points are provided to vary inductance. Original price: $2.50. Reference: Electro Importing Company catalog, 1912, page 30.
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.321223
label: catalog number
content: 321223
label: accession number
content: 241556
objectType: label: Object Name
content: loading coil
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 4 in; 3.175 cm x 10.16 cm