| Show I INCANDESCENT LAMPS now the Burned Out Illament May lie i Xtei la < Fill Roll Itrn ncii It Ills becu generally Hnppobed to bo n I T t fruitless task to utttnipt tho renewal of L 13 a burnt out incandescent clectrio lamp I k although there appears to bo fioino eco 11 nomio fallacy liuoheil in tho destruc lion of what is except iu one small if i I important particular a perfect J pieco of i apparatus It is I not intended ns u rule I to give In this columu descriptions of AukericAq olvims l or IIchiolWo 11 i L I I drawn from foreign publications This I subject h leg liowtlcr been tnkuu up by I tho English Journal Industries andIron and-Iron and although it state that nn Amcrictn process for renewing thcto lamps after the filament has been bro I Loss taf been developed it t dot not give the iiamonf inveatoni nor State that tlio i tiroctss has come into Anything Ilk 1011 I crnl anphtatlou Ill dcscrij tloit of the I oiioritiou is therefore given for what it IJ 1 worth It etatc1 that a commercial sncceM I Ins been madoof a process for renewing i bnrlKd out InrnpH which renders possible the use of the old bulb nt n very slight expense By the new method the collar or bore l of oIh limp il not disturbed I disturb-ed tho old filament being renwfd and tho ucwono plated through email holo in the lamp bulb Hindu by removing the tip Tho small hole la subsequently cIa cd exactly the game mauuer na in tho eaflo of tile iicw lamp kutlug notlilng to indicate in the llniihcd repaired lamp that it had over lCU opened It ii I Stated that some 400000 lamps I r hnvo been repaired by this method I tile filament King iulrrtcd through tho I email lioloreferred tobyn Skillful twist of the hand mid secured In position by a I Bpneial carbon paste The black deposit ou tho intido of tho ball is rfmoved by fitting file lamp to tho holder and removing re-moving it in n gas 1 furnace while tot medhtely followiug this operation a I Email glass tube is foxed to the opening mado in tho bulb through which tho lump is exhausted When this has been I done and tho last tnro of air nnd gu nbrorbML u blowpipe Qnuio is directed upon tho throat of tho tube which la melted into the poiut exactly in every respect u counterpart of tho original lamp Providence Journal |
