Mar 11, 2016
RT @HistAstro: Phases of the moon diagram in Johannes de Sacro Bosco's, Computus, 1230-1399 (Harley MS 3814 A) @britishlibrary. https://t.co/AIvwxdXH2V 2PLAN22 http://twitter.com/2PLAN22/status/708143885600608260
Phases of the moon diagram in Johannes de Sacro Bosco's, Computus, 1230-1399 (Harley MS 3814 A) @britishlibrary. http://pic.twitter.com/AIvwxdXH2V
— History of Astronomy (@HistAstro) March 11, 2016