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Gnomons at Meroë and Early Trigonometry

Leo Depuydt
The Journal of Egyptian Archaeology
Vol. 84 (1998), pp. 171-180
DOI: 10.2307/3822211
Stable URL: http://www.jstor.org/stable/3822211
Page Count: 10
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Gnomons at Meroë and Early Trigonometry
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Abstract

Angles of the sun and shadows at Meroë at significant annual dates are given. Three graffiti in building 950 at Meroë, previously published by Garstang and probably dating to the first century BC or the first century AD, are discussed in the light of their astronomical implications. A new interpretation identifies a gnomon, an instrument that measures shadows, and its significance for the early history of trigonometry is noted. In one instance observation of the summer solstice at Meroë is suggested.

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