DICTAPHONE

PHONOGRAPHS, MACHINES FOR PHONOGRAPHICALLY RECORDING, MACHINES FOR PHONOGRAPHICALLY REPRODUCING, MACHINES FOR PHONOGRAPHICALLY RECORDING AND REPRODUCING DICTATION OR OTHER SOUNDS, SOUND RECORDS, SOUND-RECORD BLANKS AND THEIR INDIVIDUAL CONTAINERS, ELECTRICALLY-OPERATED PHONOGRAPHIC SOUND RECORDING AND REPRODUCING MACHINES, [ HEARING TUBES, ] HEAD SETS, [ SPEAKING TUBES, ] AND EARPIECES FOR USE WITH PHONOGRAPHS; [ METRONOMES, ] AND PARTS OF THE ABOVE