SEEAUER Beda, Philosophia Antiquo-Nova : Ad Usum Juventutis Academicae Luci Publicae Facta in V. Tractatus divisa & duplici Repertorio instructa.

Philosophia Antiquo-Nova : Ad Usum Juventutis Academicae Luci Publicae Facta in V. Tractatus divisa & duplici Repertorio instructa.

(1st ed.). Salisburgi 1745. typis Johann Joseph Mayr Erben. (20.5 x 16 cm), pp. [26], 219, [9], 399, [20], 6 plates with copperplate engravings, ornamental initials and vignettes, publisher's cloth, period.
Unpaginated dust jacket, handwritten notes on prelim card, dusty edges of pages, rust spots on pages. Title page in red and black. First printing of a comprehensive philosophical and astronomical treatise containing also the author's theses on the Copernican system, which were published separately in the same year under the title "Systema mundi juxta Copernicanum". It contains Tractatus I: Dialecta; Tractatus II: Logica; Tractatus III: Physicae universalis; Tractatus IV: Physica specialis; Tractatus V: Metaphysica. The work is illustrated with 6 copperplate engravings devoted to physical experiments (2) and astronomy (4). Beda Seeauer (1716 - 1785) professor of philosophy at the University of Salzburg and abbot of St. Peter's Monastery in Salzburg. Rare .