Sacrobosco. Libellus de sphaera: Accessit eivsdem avtoris Computus ecclesiasticus, et alia quaedam. Cum praefatione Philippi Melanchthonis. [Vitebergae: Excudebat Iohannes Crato, Anno 1568.] Bound with Hartman Beyer, Quaestiones, In libellvm De sphaera Ioannis de Sacro Busto (1571); Sebastianus Theodoricus, Novae qvaestiones sphaerae, hoc est, de cirevlis coelestilus & primo mobili, in gratiam studiosae iuuentutis scriptae (1578).
front cover, blind-stamped, with evidence of clasps
back cover, blind-stamped, with evidence of clasps
inside front cover, listing contents of the volume
title page of the first work in this volume
fol. B[1] recto
remains of a volvelle on fol. C5 verso
fol. F[6] recto and facing page
fold-out table
another fold-out table
fol. Q3 recto beginning “Themata”
title page for a work dated 1558 (with continuous signature marks)
title page of Beyer, Quaestiones (1571) — note the tab to assist the reader to find this title among the several works bound together (the other tabs are missing, and those title pages repaired)
title page of Theodoricus, Novae qvaestiones sphaerae (1578)
manuscript annotations on p. 16 of the work by Theodoricus