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Incandescent:
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history and origins
 
Manufacturer / Brand Name
Pass & Seymour (P&S)

Country of Origin
USA

Factory Location

Date of Manufacture
ca.1900 ?
 
electrical attributes
 
Voltage

Wattage / Candle Power

Amperage

 

physical attributes
 
Envelope
-
Atmosphere


Finish / Color
Porcelain
Filament

 
Base
Edison; Medium
 
 
comments
  Marked with the Underwriters Laboratories "UL" label. UL was founded in 1894. Perhaps the all porcelain construction is what qualified this lamp socket as safe for usage by the UL.