Decades: 1300s 1310s 1320s 1330s 1340s - 1350s - 1360s 1370s 1380s 1390s 1400s
Years: 1347 1348 1349 1350 1351 - 1352 - 1353 1354 1355 1356 1357
Births
Deaths
... 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 5,353,655 (1994) ...