Geocentric model knew about Tusi's work or that of the Maragha school. Not all Greeks agreed with the geocentric model. The Pythagorean system has already been mentioned; some Pythagoreans believed the Earth to be one of several planets going around a central fire. Hicetas and Ecphantus, two Pythagoreans of the 5th century BC, and Heraclides Ponticus in the 4th century BC, believed that the Earth rotated on its axis but remained at the center of the universe. Such a system still qualifies as geocentric. It was revived in the Middle Ages by Jean Buridan. Heraclides Ponticus was once thought to have proposed
What the Butler Saw (mutoscope) this feature became widely used in Britain as a generic term for devices and movies of this kind. The phrase had entered British popular culture after the 1886 divorce case of Lord Colin Campbell and Gertrude Elizabeth Blood. The trial hinged on whether their butler could have seen Lady Campbell "in flagrante" with Captain Shaw of the Metropolitan Fire Brigade, through the keyhole of their dining room at 79 Cadogan Place, London. What the Butler Saw (mutoscope) What the Butler Saw was a mutoscope reel, and an early example of erotic films dating from the early 1900s. It depicted a