[Surveying] Fabri, Ottavio. L'uso della squadra mobile,

con la quale per teorica, e pratica si misura geometricamente ogni distanza, altezza, e profondità; S'impara a perticare, livellare, e pigliar in disegno città, paesi, e provincie (...). Accreciuta in questa terza edizione di parecchie istruzioni, e definizioni d'aritmetica, e geometria pratica, ec. da Giovanni Vettori architetto Veneziano. Trent, Stamparia Vescovile Paroniana (G. Parone, printer of the Diocese of Trent), 1753, XII,9-144 p., w. engr. frontisp., 1 fold. plate (dep. the var. parts of a theodolite), 25 fine (mostly half-p.) ills., 3 plates w. num. sm. ills. at the end, engr. and woodcut head- and tailpieces and initials, letterpress calculations in the text, cont. blindst. and gilt calf w. 4 silk ties, a.e.g., sm. 4to. First free endpaper loosening, minor other internal imperfections. Gilding of binding mostly rubbed away, minimal imperfections at spine-ends and outer corners. An attractive copy, w. the engr. bookplate of Svend Fridolf Jacobsen (1943) on upper pastedown.

Riccardi I, F-col. 434. Very rare. The first edition of this classic work on surveying and instrument-making appeared in 1589, our "third" edition by Giovanni Vettori is actually the fifth and last.