9 ELECTROACOUSTIC MACHINES AND INSTRUMENTS-NAMELY, MICROPHONES, RECORD PLAYERS, LOUDSPEAKERS, SOUND RADIATORS, HEAD PHONES; SOUND AMPLIFIERS FOR WATER VEHICLES AND LAND VEHICLES, FOR RAILWAY PLATFORMS, FOR AUDITORIA, FOR THEATERS AND CINEMAS AND STADIA AND SPORTING GROUNDS; SOUND MIXING AMPLIFIERS, SOUND MIXING TABLES; SOUND RECORDERS AND SOUND REPRODUCERS FOR STUDIOS; AUDIOPHONES, AND PARTS THEREOF