The ancient oil mill located in the central area of the Museum, represents an ancient oil plant, used in Roman times, specialized in the transformation of the raw material into oil. The main typologies attested were substantially the lever press and the direct screw press. In both cases it was a cumbersome and complex machine structured on two levels and made up of different parts. Through scenographic materials, architectural features are presented again in order to make the real idea of an oil mill.
In Roman times the lever press of the Plinian type ingenerava the thrust from a worm, whose rotation exerted a direct pull on the power of the lever, which lowering, pressed the fiscoli (are filtering containers in which are placed the ground olives to submit them to the pressing) on the altar..