Traverse Board – Skandinavian, ca. 1700

Traverse Board – Skandinavian, ca. 1700

Stock Number: NM.6-23


Categories: Maritime, Navigational instruments, Other Maritime Antiques


 The traverse board was used to make dead reckoning. During the watch at sea, the sailed course was recorded every half hour and the speed every hour. At night in the dark this could easily be done by touch. Taking current and tide into account, the position was charted with these data after or during the watch.
The circular part has 32 compass points and four concentric circles. There are holes at the intersections. In the middle are eight cords with little pins. The pins are made of bone or ivory. The cardinal regions are marked N, NO, O, SO, S, SV, W, NV. With NO a mistake was made initially but corrected later. On the rectangular part, the miles traveled are recorded. They are indicated from 1 to 10 and 1/4, 1/2, 3/4. Four rows below each other. One for every hour of the watch.

On this interesting traverse board, seven of the compass strings are still present with five ivory pins. Of the mile ropes, all eight are still present with three ivory pins. The front side was lackered  later.

Catalogue: NM.6-23
Date: ca. 1700
DH: 16x25x2.5 cm
Signed: not signed
Origin: Skandinavian
Condition: in good and working condition, wear consistent with age and use, one rope and some pins are missing

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NL ARCHIPEL International Maritime Gallery

Welcome to the catalogue of Archipel International Maritime Gallery, specialist in nautical antiques and collectables.
Archipel International Maritime Galery in the Netherlands, sets itself to maritime objects, globes and sea charts of before 1900. The managing director worked as officer with the mercantile marine and the Royal Navy. As curator he was connected to one of the University Museums in the Netherlands. As seaman and curator he has a lot of knowledge of naval history. The entire Archipel collection can be found at the site

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