- A ticker timer consists an electrical vibrator which vibrates 50 times per second.
- One tick is equal to the 1/50 = 0.02 ssecond
- The distance between the dots are equally distributed.
- All lengths of tape are equal length.
- The distance between the dots increases uniformly.
- The length of strips of tape increases uniformly.
- The distance between the dots decreases uniformly.
- The length of strips of tape decreases uniformly.