Bergmann keyed lamp socket
date: label: date made
content: ca 1889
name: label: maker
content: Bergmann & Co.
notes: label: Description (Brief)
content: Bergmann keyed socket for medium-screw based incandescent lamp. Brass shell with hard rubber shell and contact insulators, two mica insulating sheets in socket, brass key with fan style inlay, threaded post connector. Stamped: "Manufactured by / Bergmann & Co., N.Y. / Patented / Dec. 27,1881 / May 2.1882 / Jan 10, 1883 / Feb. 12, 1884 / May 13, 1884 / Jan 20, 1885 / Sep. 11, 1888."
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.241402.105
label: accession number
content: 241402
label: catalog number
content: 241402.105
objectType: label: Object Name
content: Socket with Switch
label: Object Name
content: lamp socket
label: Other Terms
content: Socket with Switch; Components; Power and Lighting; Power and Lighting
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/2 in x 2 1/4 in; 6.35 cm x 3.81 cm x 5.715 cm