Parasitic forces existing in induction watt-hour meters

The paper describes research on the excessive wear on bearings of meters caused by parasitic forces existing in the meter. A simple experimental technique has been developed which should be of use to designers, and should lead, when new designs are contemplated, to the production of meters that are free from vibrational wear, and that will, in consequence, have an extended service period. Considerable improvement may be effected in many meters without serious modifications in design.