6 REFINED CAMPHOR USEFUL IN VARIED APPLICATIONS SUCH AS PREVENTING SILVER TARNISH, RETARDING CORROSION OF TOOLS, IN PIANOS, ORGANS AND OTHER METAL-CONTAINING MUSICAL INSTRUMENTS, GIVING A CLEAN FRESH ODOR TO CLOTHING WHILE STORED IN VARIOUS STORAGE PLACES FOR THEM, AND AVOIDING DISAGREEABLE MUSTY MILDEWY ODORS