Ticker Timer 12V

Ticker Timer 12V

For timing motion in one dimension on a piece of paper in the form of dots spread at equal interval of time. An electromagnet with spring loaded armature, enclosed in plastic case and operated on 12V AC. The screw shaped hammer attached to the armature moves up and down and leaves a dot on the paper strip moving carbon paper disc.Amplitude of vibration is adjustable. Complete assembly mounted on a plastic base. Striking rate - 50 dots per second..