Kelford bakelite tube socket
date: label: date made
content: ca 1925
name: label: maker
content: American Specialty Co.
notes: label: Description (Brief)
content: Marked (box): "Kelford / Cushion-Shock Proof / No. 190 No. 190 / bakelite Tube Socket / The / American Specialty Co. / Bridgeport, Conn. U.S.A."; "Patent applied for / No Vibrating or / Microphonic Noises". On unit: "+ Kelford - / Pin -> / Genuine Bakelite / P / G" on top, "Pat. Applied For" on back. Spring mounted, 4-prong tube socket in original box. Four binding posts, each attached to a leaf spring that serves as a vibration damper.
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.322037.01
label: catalog number
content: 322037.01
label: accession number
content: 241556
objectType: label: Object Name
content: tube socket
physicalDescription: label: Measurements
content: box: 1 1/4 in x 2 1/8 in x 2 1/8 in; 3.175 cm x 5.3975 cm x 5.3975 cm
label: Measurements
content: unit: 1 1/8 in x 2 in x 2 in; 2.8575 cm x 5.08 cm x 5.08 cm