Measuring instrument, possibly for measuring courses, consisting of a round wooden disc with a rotating pointer on a lead axis, Measuring instrument (course meter) consisting of a round wooden disc with a rotating pointer on a lead ash. On the top and bottom a division into compass areas is scratched in, the main areas and intermediate capitals are indicated with a star-shaped figure. Perhaps this was an instrument for measuring courses on a sea chart or making a sketch of the route followed and mapping a sea area. It could also have been a compass funnel, for finding the angle between true and magnetic compass direction. The pointer is broken off, Nova Zembla, Behouden Huys, Willem Barendsz, Jacob van Heemskerck, anonymous, c. 1590 - c. 1596, schijf, as, founding, d 8.6 cm w 10.2 cm
Keywords:
Measuring instrument, measuring courses, consisting, round wooden disc, rotating pointer, lead axis, course meter, lead ash, top, bottom, division, compass areas, scratched, main areas, intermediate capitals, indicated, star-shaped figure, instrument, sea chart, sketch, route followed, mapping, sea area, compass funnel, finding, angle, true, magnetic compass direction, pointer, broken off, Nova Zembla, Behouden Huys, Willem Barendsz, Jacob van Heemskerck, c, 1590, 1596, schijf, founding
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