Very rare edition in French of Frans van Schooten the elder's influential mathematical work on triangulation, highly important for the development of cartography in the 17th century, amongst other things. The present edition has only 4 recorded copies in libraries worldwide according to WorldCat and Hoogendoorn's Bibliography of the exact sciences in the Low Countries. The frontispiece of the present Rouen edition was copied in woodcut after the engraved frontispiece of the first French edition that was publish by Willem Jansz Blaeu in 1627.
Frans van Schooten the elder (1581-1645) was a professor in the engineering school in Leiden. He made a significant improvement on the tables published by Albert Girard, which were based on a radius of 100,000. Schootens tables were reprinted (without acknowledgment) by Jan Jansz.
Stampioen, a mathematics teacher in The Hague, who had William II and the sons of Huygens among his pupils, in 1632.
Owner's inscription in ink on front paste-down: "Auvé Duabigny". Otherwise in very good condition. Hoogendoorn, SchootFS02F 4.