LJS 429 - [De philosophia naturali]
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[De philosophia naturali] [manuscript].
[Mainz?, Germany, between 1485 and 1499]
14 leaves : paper, col. ill. ; 200 x 138 (135-150 x 90-99) mm.
Illustrated introduction to natural philosophy, supposedly according to the principles of Isidore of Seville, but in fact representing later Aristotelian and Thomist thought and opposing the followers of Duns Scotus, including the 15th-century theologians Nicolas d'Orbelles (referred to in the manuscript as Dorbellus) and Etienne Brulefer (in the manuscript as Brulifer). Includes discussion of the proofs of existence of God; the use of the principle of deduction; the celestial spheres and compass points; and the elements, temperaments, and humors.
Title supplied by cataloger.
Collation: Paper, 14; 1¹⁴; modern pagination in pencil, [1-9, i, 10-27], upper outer corners.
Layout: Written in 24-29 long lines; vertical bounding lines and very occasional horizontal bounding lines ruled in brown or red ink.
Script: Written in semi-cursive script with some calligraphic broken-letter headings.
Decoration: 9 watercolor illustrations and diagrams, 8 full-page (female figure in aristocratic dress, p. 1; male figure in armor, fold-out, p.9; diagram of the head, fold-out, p. [i]; diagram of celestial spheres, fold-out, p. 10; diagram of head with faculties and senses, fold-out, p. 11; diagrams of elements and temperaments, p. 25; diagram including head of Christ with crown of thorns, p. 26; tree of human nature, p. 27) and 1 half-page (diagram of compass points, p. 15); 2 4-line decorated initials (p. 16, 24) and 3 2-line decorated initials (p. 4, 12, 23) in red; rubrics and significant words, underlining, and line-fillers in red; initials touched with red.
Origin: Written in western Germany, probably Mainz, in the late 15th century.
Rare Book & Manuscript Library University of Pennsylvania LJS 429