Decades: 1160s 1170s 1180s 1190s 1200s - 1210s - 1220s 1230s 1240s 1250s 1260s
Years: 1208 1209 1210 1211 1212 - 1213 - 1214 1215 1216 1217 1218
Births
Deaths
... torque trying to make the 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 ...