- Two large waterstains in centre and in right half; sm. stain in righthand border; yellowed; trifle frayed in margins and sl. rubbed in upper right corner, but generally fine for this type of map.
= From a manuscript maritime map held by the Maritime Museum in Rotterdam we know that a ship called "Jan en Cornelis", commanded by Klaas Duyff, made a journey to Batavia and back in 1787/ 1789. The title of that map reads as follows: "Nieuwe Wassende Graadige Paskaart van de Groote Oceaan beneffens Een Route van het Schip Ian & Cornelis in den Jare 1787 en 1789 gedaan Uyt Nederlandt na Batavia". In a second cartouche on that map the draughtsman is identified: "Afgeteekend door My Iacob Duyff. me fecit G. Praater". The map shows the part to the west of Africa of the outward and return journey up to the Cape of Good Hope, starting from the Channel, via the "Vlaamse Ylanden" to the Cape of Good Hope, but breaking off in mid sea to the east of Tristan da Cunha and St. Helena. A comparison of the map in the Rotterdam Maritime Museum with our copy shows that the two maps fit neatly to each other: the halves of the ships drawn on the outward and return journeys on the Western edge of our map more or less exactly match the halves of the ships drawn on the Eastern edge of the map in the Rotterdam Maritime Museum.
Nothing could be traced on the cartographers/ draughtmen J. Duyff and G. Praater. However, www.VOCsite.nl supplies the following information about the two outward and return voyages made by the "Jan en Cornelis" under the command of Klaas Duyff: the first journey was made in 1785/ 1786, the second journey in 1787/ 1789. The ship itself was a "fluitschip" of 560 tons with 31 personnel. It was leased by the VOC between 1785 and 1789 from the firm of Anselmus and Anthony Hartsen, and from shipowner Frank van der Schoor.
A highly interesting and important map, dating from the years in which the French and the English made their claims on the various parts of Australia, while the Dutch tried to safeguard their trading routes to and from the Netherlands Indies. Many names of islands and coasts on the map originally discovered by the Dutch are still indicated w. their original Dutch names, e.g. "Maerseveen" and "Dessa" (present day Prince Edward islands), "Amsterdam" (Île Amsterdam) and "St. Paulo" (St. Paul Islands), "Monij" (Christmas Island), "I. Barbou" (Reunion) and on the coast of Australia: "'t Land van Eendragt", "Edels Land", "'t Land van de Leeuwin", "Houtmans Ambrolhos", "Duijven Klip" and "Dirk Hartogs I". SEE ILLUSTRATION PLATE CXLIII.