Title page vignette with: "Dum audes, Ardua Vinces." F. Bleywyck (= F. van Bleyswyck) del. & fecit. Frontispiece with portrait of Antonius A Leeuwenhoek, Regiae Societatis Londinensis mebrun, J. Verkolje pinx, A. de Blois fec. Includes indexes. Contains letters 108-146. Cf. Dobell, 27.
handwritten lecture notes by Jan Willem Peeters (1862-1934), recorded in the lectures of physicist Johannes Diderik van der Waals (1837-1923), Professor at the University of Amsterdam