VIBRATOR

Definitions

1. 1. A trembler, as of an electric bell. (2)
2. 2. A vibrating reed for transmitting or receiving pulsating currents in a harmonic telegraph system. (3)
3. 3. A device for vibrating the pen of a siphon recorder to diminish frictional resistance on the paper. (4) An oscillator.
4. 4. An ink-distributing roller in a printing machine, having an additional vibratory motion.
5. 5. An attachment, usually pneumatic, in a molding machine to shake the pattern loose.