Alphabetical list of historical battles (see also Military history, List of battles):
NOTE: Where a year has been used to disambiguate battles it is the year when the battle started. In some cases these may still have gone on for several years.
... but the gyro will also be accelerated to a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by ...