This facsimile of Waghenaer's influential pilot-book is part of the Theatrum Orbis Terrarum Series of Atlases in Facsimile Second Series - Volume III. First published in Leiden in 1592, the Thresoor was Waghenaer's follow-up to his groundbreaking De Spieghel der Zeevaerdt (1584-85), incorporating up-to-date navigational information in a new oblong folio format. It includes 22 black & white double-page charts and an introduction by R.A. Skelton. 372 pages. Oblong quarto. Hardbound in tan cloth boards with gilt insignia on cover, title on spine, and an illustrated dust jacket.

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Condition: B+

Contents are very good with some faint toning. The rear hinge is starting. Covers have minor soiling. There is a large chip out of the spine of the dust jacket with an associated tear.