Patent model, Bergmann lamp socket, US Patent #293,552
date: label: Date made
content: 1884
name: label: maker
content: Bergmann, Sigmund
notes: label: Description (Brief)
content: A keyless socket for a medium screw-based lamp, brass shell, plastic insulating ring, fiber board contact insulator, mounted in a shade holder. Model for US Patent 293552, "Socket for Electric Lamps," issued 12 February 1884 to Sigmund Bergmann. Includes original Patent Office tag. Sigmund Bergmann obtained an exclusive contract from Thomas Edison to supply sockets and other devices for the Edison lighting system. Edison was a silent partner in Bergmann's company.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308599
label: catalog number
content: 308599
label: accession number
content: 89797
label: patent number
content: 293552
objectType: label: Object Name
content: Lamp Socket
label: Object Name
content: Socket
label: Other Terms
content: Socket; Lamp Socket; Components; Power and Lighting; Power and Lighting
physicalDescription: label: Measurements
content: overall: 2 3/8 in x 4 in; 6.0325 cm x 10.16 cm
label: Measurements
content: socket only: 2 1/8 in x 1 3/4 in; 5.3975 cm x 4.445 cm