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What is Bed ford level canal Experiment?

Answer»

The Bedford level canal Experiment conducted by Dr. A.R. Wallace, also proves that the earth is spherical in shape, in this experiment three poles of equal height Were fixed in a straight line at an equal distance of one mile from one another over a stretch of water in a canal. When the poles observed through a telescope, the middle pole appeared to be higher then the other two poles because of the curved surface.



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