LSE4104671 Ms 1186 f.1, The Astronomer, the Clerk and the Computist, facsimile of a miniature taken from the Book of Psalms (Psalter) of St. Louis and Blanche de Castile, 1st third of the 13th century (colour litho) by French School, (20th century); Private Collection; (add.info.: Church and Science (or observation of the sky in the 13th century): the Astronomer (with an astrolabe calculating the ratio between the sky and the stars to establish the annual liturgical calendar), the Clerk and the Computist - (Facsimile of a Miniature takes from the Book of Psalms (Psalter) of St. Louis and Blanche de Castile, 1st third of the 13th century) - in ??????Histoire du peuple francais de Jeanne d\'Arc a Louis XIV??by Edmond Pognon, Nouvelle Librairie de France, XXth century Astrologer with an astrolabe, a Scribe and a Mathematician); Photo by Leonard de Selva; French, out of copyright.