Carbon Filament Lamp

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Description (Brief)
This is an Edison carbon lamp with Thomson-Houston base and asphalt-coated filament that was developed around 1891. The lamp's base differed depending on the manufacturer of the lamp. Edison, Westinghouse, Thomson-Houston and other makers devised differing ways to attach a lamp to a fixture. Companies quickly began making adapters or, as in this case, making their own lamps with competitors’ bases.
date made
ca 1891
Edison General Electric Company
Physical Description
glass (envelope material)
brass (base shell material)
carbon (filament material)
overall: 5 1/2 in x 2 3/8 in; 13.97 cm x 6.0325 cm
ID Number
catalog number
accession number
Credit Line
from General Electric Lighting Company, thru Terry K. McGowan
See more items in
Work and Industry: Electricity
Electric Lamps
American Stories exhibit
Energy & Power
American Stories
Exhibition Location
National Museum of American History
Data Source
National Museum of American History


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