Eratosthenes

Meerut, India

February 2011

Meerut India NAS Inter College 29°00’N 77°42’E
Date Gnomon Shadow Angle
february 10th 57 cm 57.4 cm 45° N

longitude 77°42’E
Length Of Rod= 57.1 cm
angle : 45°
mesures

time shadow
11.00 69.5
11.05 68.2
11.10 67.5
11.15 66.6
11.20 65.5
11.25 64.4
11.30 63.2
11.35 62.1
11.40 61.2
11.45 60.1
11.50 59.2
11.55 58.3
12.00 57.4
12.05 58.6
12.10 59.6
12.15 60.3
12.20 61.4
12.25 62.5
12.30 63.4
12.35 64.5
12.40 65.2
12.45 66.5
12.50 67.6
12.55 68.4
01.00 69.6

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