James Horsburgh early chart of the coasts of Java, Bali, Lombok, with part of Sulawesi, and Borneo. Insets of "Sketch of Bally Strait", Sketch of Lombock Strait", Plan of Allas Strait", "Sketch of Sappy Strait".The chart shows depth soundings & both topographical and hydrographical details and proposed sailing directions in the Sunda Straits. Filled with several coastal profiles, which were of great help for the sailor.In top Horsburgh thanks for the aid he has gotten for preparing this chart : ...

Very large and rare so-called Blue Back chart centered on the strait passing between the Riau Islands. It contains an inset map with enlarged details of Riouw Harbor on Bintang Island.Coastal profiles are shown in the lower-left corner of the chart.The chart is prepared by W.H.Dittlof Tjassens, P.A.J.Bloijs van Treslong Prins and J.van Gogh during an expedition in 1840 by the ship Nehalennia under the command of Captain F.G.van der Plaat. The chart is engraved by D.Veelwaard Jr. And published in...