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Show Cheap locaiideseetit l,nmps It is reported that an Knglish cliemist has discovered a practical substitute for i pUiiitituini in tho ninntifactiiro of incati- descent lamps. If tliis be true, and tlio ' rumor is said by a reliable electrical jour- I i iiiil to have substantial foundation, it U I A distiovery of ftreat importance. At its present price phuitimim forms one of ; tlio most expensive items in tint manu-j manu-j factum of the incandescent lamp. I,i i each sixteen candle pi wcr lamp thero are from four to ciirht grains of plan-: plan-: tiiium. Assuming an average of six rnins per lamp, an uiitico will bo sntHrit-iit for eighty lamps, Tho demand for t.ixteeu candlo power lamps for 1WH, based upon reliable data, will bo 10,0110,000 sixteen six-teen candle power lamns, which would fcivo a demand for bio.OOO ounces of ! platinum, which at present price (lt to ijil per ounce) would amount to about JJ,0oo,000. Tho prnbablo income from tliesu latntis will not amount to moro than li,li0,0o0, while tho cost of olio item alone is one-third tho total income. fence it will lie seen that a bona (ido substitulo for the platinum wire oii,'lit to mean a fort nun for its discoverer. , New York Telegram. j |