E.R. keyed lamp socket
date: label: date made
content: ca 1894
notes: label: Description (Brief)
content: E.R. keyed socket for Thomson-Houston based incandescent lamp, ca 1894. Brass shell with ceramic and mica contact insulator, porcelain key, threaded post connector. Stamped: "E.R. Socket. Pat.July 25 ,1893."
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.320770
label: catalog number
content: 320770
label: accession number
content: 241402
objectType: label: Object Name
content: Socket
label: Object Name
content: lamp socket
label: Other Terms
content: Socket; Components; Power and Lighting; Power and Lighting
physicalDescription: label: Measurements
content: overall: 2 5/8 in x 1 1/2 in x 2 1/2 in; 6.6675 cm x 3.81 cm x 6.35 cm