DICTAPHONE

[ PHONOGRAPHS, ] MACHINES FOR [ PHONOGRAPHICALLY RECORDING, MACHINES FOR PHONOGRAPHICALLY REPRODUCING, MACHINES FOR PHONOGRAPHICALLY ] RECORDING AND REPRODUCING DICTATION OR OTHER SOUNDS, [ PRE-GROOVED SOUND RECORDS, SOUND RECORD BLANKS AND THEIR CONTAINERS, RECORDING-REPRODUCING HEADS WITH OR WITHOUT RECORD STYLI, AND RECORD FILES ]