This sundial, which was discovered in 1873, is now on display in the Louvre ( photograph ). For some comments on its place in the history of sundials, see J.Evans, in "The New Astronomy", page 285 ( Google Books ).
Dedicated to king Ptolemaios by Apollonios son of Apollodotos.
Themistagoras of Alexandria, the son of Meniskos, made the sundial.
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