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Incandescent:
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You are here: Home > Top > Search Results > wc0012
wc0012  

 
wc0012.jpg
  
history and origins
 
Manufacturer / Brand Name
 Philips
Country of Origin
 Holland ?
Factory Location
 Unknown
Date of Manufacture
 ca.1920
 
electrical attributes
 
Voltage
 125-130
Wattage / Candle Power
 400w

Amperage
 

physical attributes
 
Envelope
 4.00" DIA. Approx.		 Atmosphere
 Gas Filled
Finish / Color
 Clear 		Filament
 Coiled
 
Base
 Edison; Mogul 		 
 
comments
  Philips "1/2 WATT" etched on glass. Base is marked "125-130-400". It was advertised that Philips "1/2 Watt" lamps dissipated only half a watt of electricity per candle of luminous intensity, thus the name "1/2 Watt".