Strijen (population: 9,525) is a town in the western Netherlands, in the province of South Holland. The municipality covers an area of 57.74 km² (of which 6.37 km² water).
... the "rolling" point, 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 ...