Bergmann & Co. keyed lamp socket
date: label: date made
content: ca 1886
notes: label: Description (Brief)
content: Bergmann keyed socket for medium-screw based incandescent lamp. Brass shell with hard rubber shell and contact insulators, brass key with fan style inlay, threaded post connector. Stamped: "Patented / Dec. 27,1881 / May 2.1882 / Jan 10, 1883 / Feb. 12, 1884 / May 13, 1884 / Jan 20, 1885."
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 Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320751.02
label: catalog number
content: 320751.02
label: accession number
content: 241402
objectType: label: Object Name
content: Lamp Socket
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 2 1/2 in x 1 1/2 in x 2 1/2 in; 6.35 cm x 3.81 cm x 6.35 cm