LJS 216 - Sacro Bosco, Joannes de, active 1230 - Tractatum de spera ... [etc.]
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Sacro Bosco, Joannes de, active 1230.
Tractatum de spera ... [etc.] [manuscript].
[Paris?, between 1256 and 1270]
58 leaves : parchment, col. ill. ; 165 x 110 (97 x 59) mm. bound to 171 x 120 mm.
Collection of three scientific works, nearly contemporary with the life of the author: one work on cosmology and astronomy, one on arithmetic, and one on the division of time according to the movements of the sun and moon. The first work originally followed the second and third, and the beginning of the second work is missing.
Title from incipit (f. 1r).
Foliation: Parchment, i (modern parchment) + 58 + i (modern parchment); 1⁸(-1) 2¹² 3⁸(-2) 4⁸(-1) 5⁸(-1) 6⁶ 7⁸ 8⁶(-1); contemporary foliation in ink, , 60-77, 3-44, , upper right recto, many trimmed; modern foliation in pencil, [1-45, 45-57], upper right recto. References in this record are to modern foliation. Gatherings 3-7 have framed horizontal catchwords, lower right verso (f. 25v, 32v leading to a missing leaf, 39v, 45v, 52v).
Layout: Written in 26 long lines; frame-ruled in lead with double bounding lines (2 double bounding lines in outer margins).
Script: Written in Gothic book script by a single hand.
Decoration: 3 8-line historiated initials related stylistically to those of the Bari workshop showing the author teaching astronomy to 2 students, all tonsured (f. 1r, 29r, 43v); 7 illustrations including a diagram of the zones of the earth (painted, f. 16v); diagrams of the movements of the sun and moon around the earth and lunar and solar eclipses (colored drawings, f. 18r, 19r, 19v); a circular image of a serpent biting its tail (painted, f. 36r); a table of solar conjunctions (painted, f. 40r); and an image of circles surrounding a flower (painted, f. 55v); first lines next to historiated initials in ornamented display uncials (f. 1r, 29r); 2-line initials in red or blue with penwork infilling and marginal extensions in red and blue; rubrics in red gothic script or black chancery script; paragraph marks in red or blue.
Binding: Modern velvet.
Origin: Probably written in Paris between 1256 and 1270.
Kislak Center for Special Collections, Rare Books and Manuscripts University of Pennsylvania LJS 216