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Meaning of TUNGSTEN LAMP

 
Webster's 1913 Dictionary
 
 Definition: 
\Tung"sten lamp\
An electric glow lamp having filaments of metallic tungsten.
Such lamps, owing to the refractory nature of the metal, may
be maintained at a very high temperature and require an
expenditure of only about 1.25 watts per candle power.



 

 

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