Johannes de Sacrobosco

Editions of the 
Tractatus de Sphaera
Sacrobosco Project
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Libellus de sphæra Johannis de Sacro Busto. Accessit ejusdem autoris Computus ecclesiasticus, et alia quædam, in studiosorum gratiam edita. Cum præfatione Philippi Melanchthonis.
Wittebergæ: sumptibus viduae & hæred. Zachariæ Schureri senioris, 1629. 

120 leaves, fold. pl., fold. tables. 15 cm. (8vo.)

Includes also: 
"Propositio XXII. ex libro tertio epitomæ Ioannis de Regiomonte in Almagestum Ptolemæi" 
"De ortv poetico, hoc estt [sic] exempla ortus & occasus stellarum fixarum, ex varijs autoibus collecta, & ... explicata"
"Themata qvæ continent methodicam tractationem de horizonte rationali ac sensibili ... quibus adiecta sunt paucula de umbris," the latter signed: Autore Erasmo Reinholdo Salvedensi.

Melanchthon, Philipp, 1497-1560.
Reinhold, Erasmus, 1511-1553. 
Borner, Caspar, ed.
 .
Locations: New York Public Library – Humanities-Rare Bks & Mss - *KB 1629
Oxford University, Bodleian
Augsburg Universität, O2/X.1.8.124 angeb Bayern
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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