Habes…in hoc codice libros Metheorum…cum commentariis …Gaietani de Thienis noviter i[m]pressos: ac mendis erroribusque purgatos. Tractatum de reactione. Et tractatum de intensione & remissione eiusdem Gaietani. Quaestiones…Thimon super quattuor libros Metheorum.

[Colophon:] Venetiis [Venice]: heredeum…Octaviani Scoti…per …Bonetum Locatellum… December 1507

Folio, 70, 61 [i.e. 55] leaves (last leaf misnumbered). Printed in double columns, Gothic type, woodcut initials, woodcut diagrams in the text, publisher’s device at foot of last page. Some small marks but a nice copy. Blind-ruled doeskin antique, unlettered. Bookplate of David L. DiLaura.

An early edition of Aristotle’s Meteorologica, edited and with the extensive commentary of Gaetano de Thiene (1387–1465), of Vicenza, and with the Quaestiones of Themon of Judaea (fl. 1349–1361). The first three Books of the Meteoroligica contain the first systematic discussion of weather phenomena, as well as astronomical observations including comets, shooting stars, and the Milky Way. Book IV is one of the main sources of medieval geology (Stillwell, note to 577), and contains much material of chemical interest. Aristotle describes here the nature of heat and combustion, the effects that heat and cold have on matter, and the nature of many metals including gold, silver, copper, etc. The Quaestiones by Themon of Judaea includes a consideration of the optical issues raised in the Meteorologica, in particular of the theory of vision, the rainbow, and halos. Many of his ideas are also “found in the MSS of Leonardo da Vinci and his treatise Del moto e misua dell’ acqua. It is quite possible that Leonardo consulted Themon’s commentaries and made use of them” (Sarton, III, Part II, p. 1540). Partington I, pp. 69–109. DiLaura, Bibliotheca Opticoria, 10. See Stillwell, The awakening interest in science, 577 and 735 for earlier editions of the Meteorologica. Gaetano’s commentary was first printed in the Venice, 1491 edition of Aristotle.


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