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An alternative interpretation of the Viking sundial artefact: an instrument to determine latitude and local noon by Balázs Bernáth, Miklós Blahó, Ádám.

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Presentation on theme: "An alternative interpretation of the Viking sundial artefact: an instrument to determine latitude and local noon by Balázs Bernáth, Miklós Blahó, Ádám."— Presentation transcript:

1 An alternative interpretation of the Viking sundial artefact: an instrument to determine latitude and local noon by Balázs Bernáth, Miklós Blahó, Ádám Egri, Barta András, and Gábor Horváth Proceedings A Volume 469(2154): June 8, 2013 ©2013 by The Royal Society

2 (A) Photograph of the eleventh century sundial artefact fragment found by Veabek in Uunartoq in Greenland in Balázs Bernáth et al. Proc. R. Soc. A 2013;469: ©2013 by The Royal Society

3 (A) Scratches and depressions in the face of the compass dial artefact. Balázs Bernáth et al. Proc. R. Soc. A 2013;469: ©2013 by The Royal Society

4 Fundamental lines of the trigon-based constructions of horizontal sundials with 20 mm high gnomons. Balázs Bernáth et al. Proc. R. Soc. A 2013;469: ©2013 by The Royal Society

5 (a) Reconstruction of the compass dial artefact as a combination of a sun-compass and a sun shadow board providing an interpretation for several incised lines. Balázs Bernáth et al. Proc. R. Soc. A 2013;469: ©2013 by The Royal Society


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