Carbon "Stopper" Lamp with Adapter

Description (Brief)
Westinghouse made stopper lamps to avoid infringing Edison's patents. The lamp is based on Sawyer-Man patents and includes a removable adapter to allow use of the lamp in both the special sockets made for stopper lamps and standard Westinghouse sockets.
Object Name
incandescent lamp
date made
ca 1894
Measurements
overall: 6 1/2 in x 2 5/8 in; 16.51 cm x 6.6675 cm
place made
United States: Pennsylvania, Pittsburgh
ID Number
1997.0388.81
catalog number
1997.0388.81
accession number
1997.0388
See more items in
Work and Industry: Electricity
Electric Lamps
American Enterprise
Energy & Power
Exhibition
American Enterprise
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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