Federal type 36 radio frequency coil
date: label: date made
content: ca 1924
name: label: maker
content: Federal Telephone and Radio Co.
notes: label: Description (Brief)
content: Federal type 36 radio frequency coil inside a type 40 package. Marked: "Type No. 36 / 220-550 Meters / Federal Telephone & Telegraph / Co. Buffalo, N.Y., U.S.A." A standard radio frequency transformer in clamp mounting with binding post connectors for B battery, - Fil, plate, and grid. Bakelite construction. Unit designed for use with UV-199 tubes. Reference: Instructions for Installation and Operation of Federal Amplifying Transformers, undated, pages 3-4.
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.321849
label: catalog number
content: 321849
label: accession number
content: 241556
objectType: label: Object Name
content: coil
label: Object Name
content: radio coil
physicalDescription: label: Measurements
content: unit: 1 7/8 in x 2 1/4 in x 4 1/4 in; 4.7625 cm x 5.715 cm x 10.795 cm
label: Measurements
content: box: 1 3/4 in x 2 1/2 in x 4 1/2 in; 4.445 cm x 6.35 cm x 11.43 cm