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Libellus Ioannis de Sacro Bosco, de anni ratione, seu vt vocatur vulgo, Computus Ecclesiasticus. Cum praefatione Philippi Melanchthonis.
Lutetiae [Parigi], apud Gulielmum Cauellat, sub pingui Gallina, ex aduerso collegij Cameracensis 1561 - 8vo (172x112 mm), nineteenth century marbled paper binding; 50 leaves. Xyl. initials and head-pieces. Printer’s woodcut device at title-page. Many xyl. illustrations in the text. UNCOMMON PAMPHLET BY JOHANNES DE SACROBOSCO ABOUT CHURCH CALENDAR. This copy is the B variation of the 1561 edition, without printing year at title-page. Johannes de Sacrobosco, also written Ioannis de Sacro Bosco (Genoa c. 1195 – c. 1256 in Paris), was a scholar, monk and astronomer who was a teacher at the University of Paris, recorded as originally from Genoa, Italy, residing scholar in Yorkshire and Scotland. He wrote a short introduction to the Hindu–Arabic numeral system which became the most widely read introduction to that subject in the later medieval centuries (judging from the number of manuscript copies that survive today). He also wrote a short astronomy textbook, Tractatus de Sphaera, which was widely read and influential in Europe during the later medieval centuries as an introduction to astronomy. In his longest and most original book, Sacrobosco correctly described the defects of the then-used Julian calendar, and, three centuries before its implementation, recommended a solution much like the modern Gregorian calendar. Provenance: Marginal handwritten study notes at some pages. References: IT\ICCU\LIAE\001284. OCLC, 28058516 (2 copies in USA and 1 copy in UK). Cond.: Presence of marginal water-stains at some pages and light spots. Overall, a very good copy. [Attributes: Hard Cover]
      [Bookseller: Books and collectibles di Paola Suaria]
Last Found On: 2017-10-08           Check availability:      AbeBooks    


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