Show GAS MANTLES ONLY ASHES ILM IO nUt Due to the uC it it n Vienna Chemist The gas nS mantle Is nothing but ashes and It is wonderful how science mak s rya cling together r as long as they do Tile rue gas 18 mantle was In invented d b by a chemist of Vienna He noticed ll tho the In Intense Intense intense In- In tense light given Iven out b by a small quantity quantity quan Quan- tit of or thorium thrown into Ino a stove In his laboratory lie Ile realized the im- im of or the discovery and In 1050 began a n series of or experiments to utilize utilize utilize uti uti- lize this remarkable quality of or tho the element element ele ele- ment in Intensifying lI light ht lie found that pure thorium would not cohere well weB enough to brt po of or use n tn l hp b th bogan searching for a combination of ot elements that would answer l In-l In he be produced his first mantles mantle but they were so IO delicate that Ute they cou could not ho bo transported and were delivered delivered de de- livered by hand A A. boy was trusted to carry two ono one In each hand for delivery de deg livery li about the streets of oC Vienna Vienne In Inthe Inthe Inthe the early curly lary Wa Ws he found that a good mantle could be bo made from a n combination combination combination tion of the tho two substances substance thorium oxIde oxide ox ox- 0 ide and cerium oxide and that a n. coating coating coat coat- ing of would give gl u a sufficient firmness to allow It to be transported Since then gas gi man mantles lies have gone Ione Into general use In nearly all nil parts of the world world rand ami thousands of or factories s are producing C them |