‎HUYGENS, Christian & LEIBNITZ (LEIBNIZ) & L'HOPITAL. - UYLENBROEK, Petrus Joannes (1797-1844):‎
‎Christiani Hugenii aliorumque seculi XVII virorum celebrium exercitationes mathematicae et philosophicae. ex manuscriptis in Bibliotheca Academiae Lugduno-Batavae. Fasciculus 1: Chr. Hugenii, Leibnitii et Hospitalii epistolas mutuas.‎

‎Hagae Comitum (The Hague, 's Gravenhage), ex typographia Regia, 1833, in-4to, 1 leaf + IV + 324 p. + 1 leaf (errata) + 2 folding plates, heavy foxing in places, light waterstaining to a few leaves and to bottom of both plates, upper corner of front endpaper cut off and repaired, half calf binding, marbled paper on covers, red title label on gold tooled spine, hinge of frontcover loose, slight rubbing.‎

Reference : 53639aaf

‎» Important collection of 91 scientific letters «The correspondence of three of the greatest 17th century scientists. Some of these letters were very influencial to the development of certain aspects of mathematics.It is the first publication of Huygens' correspondence with Leibniz and L'Hopital translated from the Latin language into French and published by Petrus Joannes Uylenbroek. He was professor at the Dutch Academy of Physics and Astronomy in Leiden. This first part of this volume contains 56 letters between Leibniz (34) and Huygens (22) (LVI and not altogether LXXVI letters; printing error starting after letter number XLI: LXII-LXXVI), written between 1674 and 1694. The 2nd part (ff. 215ff.) contains 35 letters between the marquis Guillaume F.A. de L'Hopital (19) and Huygens (16), written between 1690 and 1695. Poggendorff II/1164 (Uylenbroek); DHBS VI/613 (Huygens), VIII/149-168 (Leibniz), VIII/304-305 (L'Hopital). ‎