[Mathematics. Unknown edition] De vernieuwde cyfferinge van Mr. Willem Bartjens,

waer uyt men meest alle de grondt-regulen van de Reecken-konst leeren kan. Herstelt, vermeerdert en verbetert door Mr. Jan van Dam. En nu in desen Laetsten druck neerstigh oversien, en van alle voorgaende fauten gesuyvert./ (...) Tweede deel. Handelende van verscheyde regulen der reken-konst, alle koopluyden noodig te weten. Herstelt, vermeerdert en verbetert door Jan de Groot. In desen latsten druck neerstigh oversien (...). Nooyt voor desen aldus gedruckt. Amsterdam, Joannes Loots, 1700 (first part)/ Weduwe Gysbert de Groot, 1707 (second part), 2 parts in one vol., 184; 288 p., first part with wood-engraved frontispiece portrait and title vignette, many letterpress and woodcut arithmetical problems in both parts, contemporary vellum, small 8vo.

Manuscript title on spine written upside down, else a very good copy, both parts in relatively early editions. The first part in an unknown edition, no copies in PiCarta. The second part, revised by Jan van Dam, was first published in 1689. The most common copies stem from the second half of the 18th century, in the collections of Waller and De Vries for example from 1755. Bierens de Haan 179 (only the second part from 1707). Cf. Cat. De Koning (only the first part, 1777); K.L.K.L. (compiled from editions 1677/ 1760); Coll. Caljé-Van Gulik no. 557 (only the first part, 1791); Muller and Cat. Van Rijn list various 17th-century and later editions.