Decades: 1250s 1260s 1270s 1280s 1290s - 1300s - 1310s 1320s 1330s 1340s 1350s
Years: 1298 1299 1300 1301 1302 - 1303 - 1304 1305 1306 1307 1308
Births
Deaths
... inside the groove. (Compare with graphic below.) Since this friction force is essential for the device's operation, the groove must not be lubricated. The acceleration ...