Electro importing Co. loose coupled coil
date: label: date made
content: ca 1910
name: label: maker
content: Electro Importing Co.
notes: label: Description (Brief)
content: Electro importing Co. loose coupled coil, copper coil with two sliders, one red, one black. Mounted on a wooden base. Manufacturer stated that over 2300 turns of wire are wound on a circular core. Wooden frame is seasoned oak. Wavelength is claimed to be 700 meters. Two sliders are used, though the bronze slide mechanism is missing from both. Marked: "Electro-Importing Co. / New York". On slide: "Patented Feb. 1, 1910". Reference: Electro-Importing Co. Catalog, 1912, pages 27-28.
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.320802
label: catalog number
content: 320802
label: accession number
content: 241556
objectType: label: Object Name
content: Coil, Inductance
label: Object Name
content: inductance coil
label: Other Terms
content: Coil, Inductance; Measuring Devices
physicalDescription: label: Measurements
content: overall: 7 in x 13 1/8 in x 7 in; 17.78 cm x 33.3375 cm x 17.78 cm