

Understanding Greek and Roman Technology: From Catapult to the Pantheon
Milling Grain with Water Power
TV-PG
S1 • E19 Dec 12, 2013 30mBy the 1st century A.D., waterwheels were widely used for grinding grain throughout the ancient world. Explore three different types of waterwheels that were perfected by the Romans: the undershot wheel, the overshot wheel, and the vertical-shaft wheel, each with its advantages and disadvantages.