1623 De Leeuw

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" Chart of the Upper Steersman Arend Martensz De Leeuw who took part in the expedition" Heeres 1899 Part Borne etc p46 - original in State Archives at the Hague.
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Arent Martenszoon de Leeuw's 1623 manuscript chart of the discoveries of the Pera - National Library of Australia nla.obj-231245000
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The version in Heeres clearly shows the infantile process of drawing a wiggly line with a river here and a headland there which bears no resemblance to reality. Blind Freddy would not have missed Birds of Paradise Bay on the West Papua's north coast or the great lump of a peninsular on the south coast which has a large attendant  island running NW/SE called Pulau Adi aka Wessel Island. This nonsense exposes the crude deceit of the NLA treasure. 
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De Leeuw NLA nla.obj-231245000 Cape York section
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Cape York - Vienna Library
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Cape York Google Earth
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Area resembling reality - except Aru Islands. Unexplained absence of Ceram.