Precision Ball Bearing Movement A small ball bearing is used at the pivot point to provide a friction-free surface so the pendulum will adjust for a slight change in range.
(Precision Ball Bearing Movement; is used; to provide a friction-free surface so the pendulum will adjust for a slight change in range) (the pendulum; will adjust; for a slight change in range)
Precision Ball Bearing Movement the pendulum
is used will adjust
to provide a friction-free surface so the pendulum will adjust for a slight change in range
for a slight change in range