Ignace-Gaston Pardies:

Opera mathematica, continentia elementa geometriae, discursum de motu locali staticam et duas machinas, ad consicienda horologia solaria, habiles. Jena, Krebs / Öhrling, 1692. 12mo. (13,2 x 7,2 cms.) [12] + 448 pp. + 8 engraved + 1 woodcut plate, mostly folding. Numerous woodcuts in text. Includes on pp. 217 ff. Pardies’ ”Duae machinae ad facillime conficienda horologia utiles”, in which is described an instrument he had invented for constructing various kinds of sundials, with plates.

Possibly the first Latin edition of Pardies’ collected ”Oeuvres de mathematique”, first published in 1691.

[Bound with:]

Ignace-Gaston Pardies:

Elementa geometriae […] post tertiam editionem in usum studiosae juventutis latinitate donata. Jena, Öhrling, 1684. 12mo. [48] + 168 pp. Numerous woodcuts in text. Neat ownership inscription dated 1686 on title.

Old vellum, covers warped, monogram of Arvid Posse drawn in ink on front cover. First title creased and outer margin worn with loss of 3 or 4 letters. Complete with all plates, rare.

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