REGNARTIUS, Valerianus. Astrolabiorum seu utriusque planisphaerii universalis et particularis usus, Rome: Bartholomaeus Zannetti, 1610. Small 4, woodcut emblem of the Jesuits on title, 3 engraved folding plates of astrolabes, woodcut initials, diagrams (first folding plate laid down and one astrolabe excised, small repair to verso of title, outer corner lightly waterstained, stronger to a few leaves and plates), modern boards. FIRST EDITION. BL 17-Century Italian, p. 728.