Eratosthenes 2010-2011

Revúca, Slovakia

Monday 21 March 2011 by perbosc

March 2011

Revúca Slovakia Základná škola Ivana Branislava Zocha 48°41’N 20°07’E
Date Gnomon Shadow Angle
march 21st 100 cm 112.9 cm 48°28’ = 48.467°

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