ength of Spring b

e and the watch is in good condition with the balance in poise, it is p

to a limited extent, as otherwise the

f the over coil and they should not be spread apart any more th

dels require that they be slightly spread, and it is therefore advisable not to dis

sition rate determines the necessity of an alteration. When the pins are open,

y often make it possible to obtain a correction of six or e

g Vibration of Over C

tion is to stop the balance and observe t

closed. Emphasis is placed upon equal vibration of the coil when the pins are open because of its importance, and if results are not obtained (as expected) the examination should be repeated to see if c

btained by Spreading or C

has a fast pendant up position rate, it will be possibl

tween them can be discerned, and the pendant up rate

, which will not produce results as expected and will cause uncertain regulation. In closing the pins they should be drawn together one at a ti