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and the Olympiad
Dimensions: 17 × 34 × 8 cm
demonstrates
made of marble and dated from the 4th century B
walnuts and acorns
The portable sundial of Parmenion and the OlympiadThree articulated rings hung at vertical position with the external ring oriented East West. The central ring consisted of two semicircles, bearing 2 pairs of engravings of 7 grooves defining the months (zodiacs) for 4 different latitudes towns). The inner ring bore a hole on its periphery, while around it there were engravings dividing it into 12 equal parts which defined the 12 hours. During the clock operation, the semicircle with the data of the