Bergmann & Co. keyed lamp socket

Description (Brief):

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."

Date Made: ca 1886

Location: Currently not on view

See more items in: Work and Industry: Electricity


Exhibition Location:

Credit Line: from International Business Machines, Inc., William J. Hammer Collection

Data Source: National Museum of American History

Id Number: EM.320751.02Catalog Number: 320751.02Accession Number: 241402

Object Name: Lamp Socket

Physical Description: plastic (overall material)brass (overall material)Measurements: 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


Record Id: nmah_996435

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