Decades: 1330s 1340s 1350s 1360s 1370s - 1380s - 1390s 1400s 1410s 1420s 1430s
Years: 1375 1376 1377 1378 1379 - 1380 - 1381 1382 1383 1384 1385
Births
Deaths
... force is essential for the device's operation, the groove must not be lubricated. The acceleration of the gyroscope is best when the precession of the gyroscope i ...