Carbon "Stopper" Lamp with Adapter

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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.
date made
ca 1894
place made
United States: Pennsylvania, Pittsburgh
overall: 6 1/2 in x 2 5/8 in; 16.51 cm x 6.6675 cm
ID Number
catalog number
accession number
Credit Line
from General Electric Lighting Company, thru Terry K. McGowan
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Work and Industry: Electricity
Electric Lamps
American Enterprise
Energy & Power
American Enterprise
Exhibition Location
National Museum of American History
Data Source
National Museum of American History


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