DANFRIE (Philippe) Declaration of the use of the graphometer, by the practice of which one can measure all the distances of the things of note which will be able to see and discern from the place where it will be posed; and to survey lands, woods, meadows, and to make plans of cities, fortress, geographical maps and generally all visible measurements, and this without reigle of arithmetic. Newly invented and brought to light by Philippe Danfrie. Paris, Danfrie, 1597, in-12, 91 pp. - 1p.bl., - 34 pp. - 1 f. (privilege), full paper, placed in a vellum binding, trace of laces, wetness on the 1st plate (binding pending). FIRST EDITION of one of the most beautiful scientific books of the 16th century, printed in civil type. With 18 engravings, most of them full-page (14 engraved on copper and 4 on wood). Handwritten annotations on the title page. Joint qq. added parts flying. A few stains and pale freckles. Brunet 2, P. 485, "Ouvrage curieux".