Decades: 1260s BC 1250s BC 1240s BC 1230s BC 1220s BC - 1210s BC - 1200s BC 1190s BC 1180s BC 1170s BC 1160s BC
Significant People
... gyro fall over.) The axis of the gyroscope in the Dynabee is fixed to the spinning mass and it rests in a little groove inside the wrist exerciser device, which almost ...