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Navigation map of the mouths of the Koealoe (Kualu) and Panei (Barumun and Bila) rivers on the east coast of Sumatra. Large sand and mud banks, bathymetry (sea depth), bouys and currents are marked. On land, tall trees are shown to use as landmarks.

Map of part of the west coast of the Gulf of Papua, with islands, river mouths, shoals, bathymetry (water depth), notes to aid navigation. On land, notes on terrain (‘Limestone Hill’), vegetation (‘Pandanus & Nipa Palms’) and people (‘Paia Tribe’).

Map of the state of Perak (Malay Peninsula) with a table of statistics: area, population, road/railway/river lengths, revenue, tin exports. Gold and tin mines are marked, and the Straits Settlements are highlighted in red.

Map of state of Perak (Malay Peninsula) with a table of statistics: area, population, road/railway/river lengths, revenue, tin exports. Straits Settlements highlighted red. Someone has added handwritten travel times/distances by steamer/road/train.