Timetrax 185 Clock Timer Minerva® hands (timer / stopwatch) 4mm for internal diameter

4mm for internal diameter

To fit Waltham 3/0 size

Key hole positions

This pendulum measures 35 1/2" in length

Package of 10 Fast

Timetrax 185 Clock Timer Minerva® hands (timer / stopwatch) 4mm for internal diameterTimetrax 185 Clock Timer this electric clock timer and amplifier measures the rate of mechanical clocks by sensing escapement action and mechanical sounds of the escapement. Use on carragiage clocks to 400 day and Atmos clocks. It reads vibrations per hour. Timetrax also features a digital balance mode that helps place a clock in beat and has a built in audio beat amplifier. *Batteries not included. Specifications are as follows: 4" wide x 7" high x