Pythagoras Fair Cup - Pythagorean - Goddess Athena Hand Painted on outside The Pythagorean cup is a form of drinking cup which is a deep sense of control measures of a drink. Creating a bowl ranked among the discoveries of Pythagoras of Samos. The uniqueness of the bowl of Pythagoras in a fairly simple principle that works as a mechanism of the valve filling the cup up to a certain level you can drink its contents as a regular cup but thats as soon as we overfill the liquid over the mark level of the cup all of its contents follows through a hole located at bottom of the bowl. "Tradition says Pythagoras, during water supply works in Samos around 530 BC moderated the workers' wine drinking by inventing the 'fair cup'. When the wine surpasses the line, the cup totally empties, so the greedy one is punished." This cup is hand made and hand painted on the outside surface showing Greek goddess Athena. It was made in Greece, stands 4.7 inches high and weighs approximately 300 gr. Pythagorean cup Protector Of Athens Pythagoras of Samos Fair Cup