Show I HIGH j-HIGH TEMPERATURES y yAND AND THE RARE METALS Within the last y years about fifty metals have ha been discovered discover d. d Most of them i it is true have bce boon been looked upon by the world as curiosities and they have hwe been bean relegated to the dusty dosty shelves shelves' of chemical mu museums in tiny little vial vialas as concrete samples' samples of the tho wonderful wonderful l achievements achievements' of modern modero chemical r re search O Occasionally c si the they would be referred referred fO re- re to by some gifted with witha witla a vivid imagination who would call aU to mind their extreme rarity and their fabulous fabulous fabulous fab fab- ulous value value but but t only as chemical al curi curi- and never as substances that would be of use uso to mankind Then the tho little vials would DuM be bo put back on tho shelves out of sight out of mind until the public again wished to lo hear heal the dreams of gallium aluminum geranium and arid tungsten and to estimate what it would cost to make a pound of these rarities With the advent of the electric S furnace furnace fur fur- nace naco and the use of temperatures hith bith erto unheard tard of of tb these se little i ls have 0 I been taken down from the dusty shelves One by ono one the rare metallic oxides h have ve been introduced ed to th the fearful h heat at of the tho flaming arc and red reduced ced to th the form of pure metals and these rare metals now rare no longer on ou account of the cheapness of reduction and the abundance of at ore are taking their places in the sphere of industrial ity The little dust covered vials are arelo lo looming min up Ui Up and keen hard bard headed beaded scientists act act- are studying them with a view to their possibilities and the tho best m means ans ansI I as to their util utilization J. J. J Gordon Os Ogden Ogden Og- Og den in in hi tho the Juno June Popular Mechanics |