Johannes de Sacrobosco

Editions of the 
Tractatus de Sphaera

Sacrobosco Project
Tractatvm de Spera 
[Venice: Florentius de Argentina, not after 8 May 1472]
[42 leaves] (the last 3 pages blank); 24 cm ; 4°

1a: [T]Ractavm De Spera. ... / Quatuor capitulis di[s]tinguimus dice[n]/ tes ...
24a-41a: Gerardus Cermonensis' Theorica planetarum, beginning:] [C]Ircvlvs. Ecentricvs. / uel egre[ss]e cu[s]pidis, uel egredientis / centri ...

Gherardo, da Sabbioneta, 13th cent. Theorica Planetarum. 1472.

[The Theorica planetarum is usually considered to be by the Cremona astrologer Gherardo da Sabbioneta, although some authorities ascribe it to the Gerardus Cremonensis who died 1187. Cf. Dict. of scientific biog., suppl., p. 189 for a summary of the evidence.]
 

Locations: University College London
Manchester - Deansgate
Yale University, Med. Library
Library of Congress Call No.: Incun. X.S125; Alternative class.: QB42
Bélgique – Royal Library Albert I (KBR) : LP FIC PRE 3.46 (RP)
Belgique: 5222248 K.U.Leuven BTAB : microf.
Cambridge - Rare Books; STRONG ROOM A 5 f 
N.Y. Pub. Lib. -- Humanities-Rare Bks & Mss - Call # *KB 1472


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