set of five radio strain insulators
notes: label: Description (Brief)
content: A set of five porcelain radio strain insulators: three dark blue with three central ridges, one medium blue with 2 ridges, one brown with two ridges. No extant maker's marks. Radio strain insulators used to insulate either end of a wire antenna from the tower or other mounting hardware. Frequently used by HAM radio hobbyists for back yard antenna installations. Many colors were produced.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320045
label: accession number
content: 243906
label: catalog number
content: 320045
objectType: label: Object Name
content: insulator
physicalDescription: label: Measurements
content: .01, .02, .03: 2 1/2 in x 7/8 in; 6.35 cm x 2.2225 cm
label: Measurements
content: .04, .05: 2 1/2 in x 1 in; 6.35 cm x 2.54 cm