1. De astrolabio canones : de astrolabi compositione Creator: Robertus, Anglicus, active 1272 Published / Created: about 1477]. Image Count: 92 Description: Perugia is named in the dedicatory letter as the place of printing. Publisher: Epon. press Subject (Topic): Astronomy and Astrolabes Found in: Medical Historical Library, Cushing/Whitney Medical Library > De astrolabio canones : de astrolabi compositione