Show i ARC AND THE INCANDESCENT INC I Explanation of Entirely tr ferent Principles Prin Prin- Under Which t to tHo Two Are Employee The ate are light and the Candescent l light wor work on totally different principles ples pIes It was Wail noted many oars ago that when an electric circuit was tas as broken broken broken bro bro- ken the current jumped across t C. C plight gap producing a brilliant flame Tha Tn shape of this flame was roughly an arc from on ono conductor to the other thus the word wort ire r was Tas adopted All arc lamps lamp burn lurr nira la in the the the- theair air and DotIn not Dot in Tho o light Is produced by bythe bythe bythe the current leaping across a small air gap between the two electrodes or carbon car car- bon hon pencils and heating beating the tho tips of ot tho the carbins carbina white hot hot- Floating particles of hot whole carbon also a ad fd to the be brilliancy A mechanism I hI necessary to feed teed in the carbons as fast as they burn away or otherwise the tho gap would increase until the tho current could not jump across and the light would woula go out The Incandescent lamp common In t homos homes and office buildings is ob ob- ob tamed from a piece of white-hot white wire I heated by the passage of an electric current The wire must be Ina in ina ina I a glass glas bulb from which the air has been exhausted otherwise It would quickly be burned up and consumed I The Tho wire filament is now made ol of tungsten which r resists the flow of 01 electricity with so much vigor that the current in working to get by the I obstruction heats the wire to incan bean il cP o. o b beace ce the name |