PHONOGRAPH APPARATUS AND INSTRUMENTS, NAMELY-RECORD PLAYERS, PHONOGRAPHIC PICK-UP CARTRIDGES, PHONOGRAPHIC TONE ARMS, TONE ARM LIFTERS, INSIDE FORCE CHECKER, HEAD SHEELS, SHELL LEAD WIRE ADAPTERS, TRACKING FORCE GAUGES, RECORD DISC STABILIZERS, TURNTABLE SEATS, PHONOGRAPHIC STYLUS UNITS, STYLUS LIFE TIMERS, RECORD CLEANING SPRAY, STYLUS CLEANERS, RECORD CLEANERS, E.P. RECORD ADAPTERS, LOUD SPEAKERS, PRE-PRE AMPLIFIERS FOR M.C. CARTRIDGES, PRE-MAINAMPLIFIERS, AUDIO CORDS, MAGNETIC TAPE HEAD CL...

PHONOGRAPH RECORDS AND PRE-RECORDED MAGNETIC TAPES