Insulite keyless combination lamp socket
date: label: date made
content: ca 1892
notes: label: Description (Brief)
content: Insulite keyless combination lamp socket to accept medium-screw base or Westinghouse based lamps. Brass shell with rubber insulator, threaded post connector. Marked: "Insulite Mfg. Co. N.Y. / Pat'd Aug.5,1890. Oct.28, 1890."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from International Business Machines, Inc., William J. Hammer Collectionfrom IBM
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320748.04
label: catalog number
content: 320748.04
label: accession number
content: 241402
objectType: label: Object Name
content: Lamp Socket
label: Other Terms
content: Socket; Components; Power and Lighting; Power and Lighting
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: socket: 5.7 cm x 3.3 cm; 2 1/4 in x 1 5/16 in
label: Measurements
content: overall: 2 1/4 in x 1 3/8 in; 5.715 cm x 3.4925 cm