Video Orientation to the University of Pennsylvania Library's LJS 497 - Canones vel operationes in operando quadrante. Written in Italy ca 1502, in Latin.
Illustrated treatise on the use of the astrolabe quadrant, including locating and predicting the positions of stars; computing the 12 houses of the horoscope; and measuring altitude, latitude, and time.
Record on Franklin with links to digital copies: franklin.library.upenn.edu/ca...
Record on the Internet Archive (with PDF): archive.org/details/ljs497
8 апр 2018
