Show PRODUCE ClASS WITHOUT SAND n Rare re Element Used to Make Refractive Substance BYThe ITHACA N 1 Y May 1 Dy BY The Tho Associated Press Sandless Press glass glas Is being made in the them them- chemistry laboratory at nt Cornell university university sity The Tile substitute tor for sand In the process of or manufacture Is the lOx of ide-of Ide or germanium lum a D lare mysterious mysterious ous and costly tent element which Pro Pro- Professor Pro Professor fessor ressor L L M t Dennis head of or th of or chemistry Is now no able to produce In quantity after actor years of or experimentation OPTICAL OllIC POWERS Whether the new glass has prop prop- properties properties that will wilt make it of or great value alue for optical purposes is still undetermined but the results thus far obtained Indicate that It 11 has 8 unusual refractive qualities Chemists are still puzzled by germanium They frankly admit I that until It was put to work worl mak mak- makIng enak- enak making ing leg glass they had bad not known what to do with It It- It Even enn now they are confident It has ha other and more mort Imp uses to which science some Bome day will apply It At pres pres- present pres- pres present present ent Professor ProCessOr Dennis Is studying Its compounds with a view to do- do do whether tern the element clem nt has haa medicinal properties that will make It of or Inestimable value to man man- mankind mankind mankind kind ERY KATIE nE Germanium Is extracted from crude It zinc oxide In Is a glossy flaky nce resembling zinc abe hard and extreme extreme- ly extremely brittle It Is worth many dol larsa dol lars larsa a gram and Cornell exhibits the largest est mass nines or of of the tho element ever assembled a round pIece be beautifully crystalline about the size Izo of or a 0 silver sliver dollar and welsh weigh ing weighing grams It has been learned that crude zinc oxide can be heated wIth strong acid under such conditions thata volatile compound of or of ger- ger ger- ger ger germanium of or high purity over This Is la decomposed by wa- wa wa ter water l lo so o as to produce pure german german- ium lum germanium oxide a it white powder Pro Pro- Pro fessor Professor Dennis further discovered that ingots Ingols of or the pure lure metal be obtained by fusion ruslon of or the pow pow- der powder under ordinary salt Halt Laboratory tests disclosed that a agram gram of or germanium cOuld be ex- ex traded extracted from a pound of or zinc and the production has since proceed proceed- ed proceeded on this basis baals j I |