Wirt "Dim-A-Lite" pull-cord dimming socket

Wirt "Dim-A-Lite" pull-cord dimming socket

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Description (Brief)
Wirt "Dim-A-Lite" lamp socket adapter, c 1909. Brass medium-screw base with porcelain insulator. Medium-screw socket with bolted contact, mica insulator. Two arm slide mechanism rotates around exterior shell (chains, strings, and tassels are missing), central support on the shell, shade holder build into shell. One holder screw is missing. Marked: "Wirt Company / Pat. Appl'd For / Dimming Socket / Phila.PA.U.S.A. / 40W. 110V. / Made in U.S.A."
Location
Currently not on view
Object Name
lamp dimmer
Lamp Socket
lamp socket
date made
ca 1907
Physical Description
porcelain (overall material)
brass (overall material)
Measurements
overall: 3 in x 2 3/4 in; 7.62 cm x 6.985 cm
ID Number
EM.320742.01
catalog number
320742.01
accession number
241402
Credit Line
from International Business Machines, Inc., William J. Hammer Collection
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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