LE CLERC, Sebastien. Pratique de la Geometrie, sur le papier et sur le terrain, Paris: sur le Quay des Augustins, 1682, 12°, second edition, engraved frontispiece, 82 engraved plates by Le Clerc (lacks D4, small hole in D2, slightly stained in some upper margins), contemporary mottled calf, spine gilt with raised bands (upper joints slightly split, corners rubbed) -- BALDINUCCI, Filippo. Lezione ... nell'Accademia della Crusca, Florence: Pier Matini, 1692, 4°, FIRST EDITION, 32pp., woodcut device on title (2 small holes in upper margins), stitched, modern folding cloth case. (2)