DAVIDSON

GUM ARABIC SOLUTION USED TO PROTECT LITHOGRAPHIC PLATES WHEN NOT IN USE, COUNTER-ETCH USED IN REMOVING OXIDES AND FOREIGN MATTER FROM THE GRAINED SURFACES OF LITHOGRAPHIC PLATES, SOLUTION USED FOR MAKING A LITHOGRAPHIC PLATE PHOTOSENSITIVE, SOLUTION USED TO CLEAN BLANKETS AND ROLLERS USED IN PRINTING MACHINES, PREPARATION USED TO PRESERVE LITHOGRAPHIC PLATES WHEN THEY ARE TO BE STORED FOR LONG PERIODS OF TIME, FOUNTAIN ETCHES EMPLOYED IN THE LITHOGRAPHIC PROCESS, AND POWDER USED IN THE PRINTING INDUSTRY TO PRESERVE BLANKETS AND TO ABSORB GREASES AND OILS WHICH MAY HAVE PENETRATED INTO THE BLANKETS