Bergmann keyed lamp socket

Description (Brief):

Bergmann keyed socket for medium-screw based incandescent lamp. Brass shell with plastic shell and hard rubber contact insulators, brass key with fan style inlay, threaded post connector. No extant maker's marks, but the fan design on the key is distinctive.

Date Made: ca 1890

Maker: Bergmann & Co.

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.241402.085Accession Number: 241402Catalog Number: 241402.085

Object Name: Socket with Switchlamp socketOther Terms: Socket with Switch; Components; Power and Lighting; Power and Lighting

Measurements: overall: 2 1/2 in x 1 1/2 in x 2 1/8 in; 6.35 cm x 3.81 cm x 5.3975 cm


Record Id: nmah_707937

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