It is my opinion that learning to equalize Dial and Pendent Position Rates is one of the hardest skills required by new watchmakers to learn. However, with a little practice this skill will become second nature. You can use this process for balance wheels with or without adjustment screws. However, you really need a timegrapher to measure your results. Although watchmakers were able to adjust watches before the invention of timing machines, it extends the working time needed.
Equalizing Horizontal and Vertical Rates
read more