OCR Text |
Show Plated Bearings Tons of silver are used weekly as pluting on airplane motor bearings. bear-ings. By using potassium cyanide the rate of plating has been trebled. Before the war virtually all the potassium cyanide used In the U. S. cam? from Germany. However, potassium salts are now being re-crystallized re-crystallized from the vast Searles lake salt deposits in the California desert country. Soma authorities ay air speeds would be reduced 75 miles per hour and loads cut substantially sub-stantially If silverplated bearings were not available. |