Estru "lattice" coil in original box
date: label: date made
content: ca 1922
notes: label: Description (Brief)
content: Estru honeycomb / lattice coil in original box, no mount. A commercial honeycomb type inductance coil for radio receiver. Green insulation, 1250 turns. Marked: "Estru / Type 1250 / Lattice Coil Inductance / Dalton Whittier True Co. / Manfrs. Chicago". Reference: "Radio Amateur News," June 1920, page 684.
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.321656
label: catalog number
content: 321656
label: accession number
content: 241556
objectType: label: Object Name
content: inductance
label: Object Name
content: radio coil
physicalDescription: label: Measurements
content: box: 1 1/4 in x 5 1/4 in x 5 1/4 in; 3.175 cm x 13.335 cm x 13.335 cm
label: Measurements
content: coil: 1 1/16 in x 4 3/4 in; 2.69875 cm x 12.065 cm