This file has been superseded by Giovanni Di Dondi clock.png. It is recommended to use the other file. Please note that deleting superseded images requires...
English Dondi's astrarium, an astronomical clock the dials and wheels of which show the time, the annual calendar, the movement of the planets, the Sun...
DescriptionVerge escapement Giovanni di Dondi.jpg English: Drawing of the verge escapement in Giovanni de Dondi's astronomical clock the 'Astrarium', built...
source: Silvio A. Bedini, Francis R. Maddison (1966). The Astrarium of Giovanni de' Dondi. Transactions of the American Philosophical Society, New Series 56...
