The economical man has in his savings a balance wheel whose momentum carries him by hard places.
This little country has been called the "balance wheel of the world's trade."
The crutch engages with the upper part of the spring, and as the balance wheel swings the pallets are actuated.
The balance wheel was going back and forth quietly and faithfully.
Perhaps, even, the bearings of its balance wheel had finally become frozen and had brought it to a stop!
It served as a balance wheel to keep me from flying to pieces.
After the assembling comes the adjusting of the balance wheel and the hair spring.
Complete, with balance wheel, it weighed two hundred pounds.
The old clock is prepared for use by removing the hands, balance wheel and escapement so that the wheels will turn freely.
Douglas was the oldest; she seemed to be the balance wheel for the family.