JEAN
BOULENGER

La Géométrie, or the Measurement of Straight Lines at a Distance, by Means of the Geometric Square
With engraved title, 71 copper engravings in the text, 8 small geometric woodcuts, and numerous woodcut vignettes and initials. 3 leaves, 174 pages (correctly 172), 8 pages. Contemporary boards.
BM (Short Title French Book Catalogue) B1593.
Second edition of this extremely rare and beautifully illustrated treatise on surveying. The mathematician Jean Boulenger was one of the “commissaires,” together with Étienne Pascal, Mydorge, Beaugrand, and Hérigone, appointed by Richelieu to investigate Morin’s discovery. Boulenger boasted that he had found a method for determining longitude. Owner’s stamp on the title page and final leaf. Clean, good copy in the original boards.