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How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment | Proceedings of the Royal Society A:
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How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment | Proceedings of the Royal Society A:
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How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment | Proceedings of the Royal Society A:
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How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment | Proceedings of the Royal Society A:
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A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. . mples, the Planet Jupiter
![PDF) How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment PDF) How could the Viking Sun compass be used with sunstones before and after sunset? Twilight board as a new interpretation of the Uunartoq artefact fragment](https://www.researchgate.net/profile/Susanne-Akesson/publication/261249265/figure/fig2/AS:667595879493645@1536178669468/Instruments-for-solar-navigation-possibly-used-by-Viking-navigators-to-maintain-course-in_Q320.jpg)