Eratosthenes 2010-2011

Beloeil, Canada

Monday 21 March 2011 by perbosc

March 2011

Beloeil Canada Ecole Le Tournesol 45°35’N 73°12′W
Date Gnomon Shadow Angle
march 20th 15 cm 15.3 cm 45°34’ = 45.567°


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