GALILEO, Galilei (1564-1642). Opere di Galileo Galilei Linceo Nobile Fiorentino Giá Lettore delle Matematiche Nelle Universitá di pisa, e di Padoua, di poi Sopraordinario nello Studio di Pisa. Primario Filosofo, e Matematico del Serenissimo Gran Duca di Toscana. In questa nuova edition infieme raccolte, e di varij Trattati dell’istesso Autore non più Stampati accresciute… Bologna: Per gli HH. del Dozza, 1656. [And:] Sydereus Nuncius Magna, Longeque Admirabilia Spectacula pandens, suspiciendaque proponens unicuique, praefertim verò Philosophis, atque Astronomis, quae à Galileo Galileo Patritio Fiorentino… Bononiae [Bologna]: Typographia H H. de Duciis, 1655. 4tos. Illustrated in volume I with engraved frontispiece, engraved portrait of Galileo, fold-out plan, and numerous intertextual diagrams; volume II illustrated with numerous intertextual woodcuts of phases of the Moon, stars, diagrams, and various apparatus. [7, sic]-32, 1-48, [1]-48, [8], 1-160, [2], 1-68, [1]-[128]. [4], 1-264, [1]-43, [1, blank]; [ii], [1]-60, [1]-[8], 1-156. [1]-48, [viii], 1-[180], [ii], 53 [sic]-106, [101, sic]-126, [viii], 1-238, [6] pp. Half-titles present. Approximately 8 ¾ x 6 ½”. Bound in contemporary vellum backstrips over mottled paper over boards, paper spine labels with ink manuscript titles, text edges stained red (bindings worn, soiled, chipped, text occasionally toned, foxed, soiled, volume I has 2 pages with marginal repairs, page facing fold-out plan re-inserted and chipped, p. 5-6 in Discorso del Colombo with a long (4”) tear near bottom; volume II in Dialogo Terzo del Galileo, p. 147, has repair to lower corner, light worm damage to endleaves). Good. FIRST COLLECTED EDITION OF THE WORKS OF GALILEO, WITH PREVIOUSLY UNPUBLISHED MATERIAL AS COLLECTED BY VINCENZO VIVIANI (1622-1703). Both volumes with the bookplate of the Biblioteca Margarita on the fps. Cinti 132. Honeyman 1418.