Johannes de Sacrobosco

Editions of the 
Tractatus de Sphaera
Sacrobosco Project
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 		 Sphaera Ioannis de Sacro Bosco, typis auctior, quam antehac, atq; ex diligeti manuscriptorum impressorumque codicum collatione castigator, cum annotationibus, quæ locis aliquot obscuris magnam lucem afferunt. Praemissa Philippi Melanchthonis doctiss. praefatione, qua utilitatem astrologicæ scientiæ, & Christiano homini non negligendam scitè probat. Adiunximus huic libro compendium in Sphæram, per Pierium Valerianum Bellunensem.
Parisiis: apud Gulielmum Cauellat, in pingui gallina, ex aduerso collegij Cameracensis, 1550. 

76, 30 leaves, 2. incl tables, diagrs. 16 cm.

"De ortv poetico, hoc est, exempla ortus & occasus stellarum fixarum, ex uariis autoribus collecta [incerto auctore]": leaves 50-75.
The Compendivm in Sphaeram per Pierium Valerianum Bellunensem has separate title page and paging.
"De eclipsibvs ex Proclo": leaves 27-30 at end.

Valeriano, Pierio, 1477-1560.
Melanchthon, Philipp, 1497-1560.
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Locations:..
 Library of Congress, QB41.S2 1550
New York Public Library – Humanities-Rare Bks & Mss - *KB 1550
Oxford University, Bodleian (2 copies): 80 S 92(1) Art. // 80 S 92(3) Art
John Crerar Library, Chicago
Biblioteca Apostolica Vaticana
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Johannes de Sacrobosco - Editions of the Tractatus de Sphaera - home
Roberto de Andrade Martins - roberto.andrade.martins@gmail.com
Group of History, Theory of Science and Science Teaching, University of São Paulo (USP), Brazil - GHTC