Il saggiatore : nel quale con bilancia esquisita e giusta si ponderano le cose contenute nella Libra astronomica e filosofica di Lotario Sarsi Sigensano [pseud.] / scritto in forma di lettera all'illmo. ... Virginio Cesarini ... dal Sig. Galileo Galilei ...Galilei, Galileo, 1564-1642M.D.C.XXIII.BEIN QB41 G329 1623 Copy 1: Uncut. "Nota di errori occorsi nello stampare": 2 leaves, one cut out and mounted over the original errata on p. 236, the other bound in ([2] p. at end). Bookplate of James J. Waring.Dedication (signed: Gli accademici lincel) followed by two poems in praise of the author, one in Latin by Johannes Faber, the other in Italian by Francesco Stelluti.Engraved title within architectural border, the arms of Urban VIII in the upper panel, the Lincei device in the lower; engraved illustrations and diagrams; some decorated borders and initials.Signatures: [*]²a⁴A-Ee⁴Ff⁶[Gg]¹.Title and portrait of Galileo engraved by Francesco Villamena.text