Sebastian Munster, Organum Uranicum... Basle 1536. To further demonstrate
astronomic information, a section of card revolves around its centre
and indicates information on a dial. It is called a VOLVELLE.
04 An Italian Manuscript concerning "Pythagoras' Game" or the "Rithmimacia" a highly complex mathematical game, with an intriguing insert loosely attached to the body of the text with the appropriate numbers and positions. 05 From the Giannalisa Feltrinelli Library as sold at Christie's in December 1997 (lot 220) with a letter that explained that the second half of the MS was found in the studio of the Aristotelian polymath Jacques Lefevre d'Etaples and sent to Cosimo Rucellai in Florence.
Maximus, De Componendo hexametro et pentametro , Florence 1485
with movable dial (volvelle in woodcut)