The Perimeter Of The Earth Is About

Equal Weights At Equal Distances Are In Equilibrium And Equal Weights At Unequal Distances Are Not In Equilibrium But Incline Towards The Weight Which Is At The Greater Distance.

Eureka! (i Have Found It!).

The Perimeter Of The Earth Is About 3,000,000 Stadia And Not Greater.

The Centre Of Gravity Of Any Cylinder Is The Point Of Bisection Of The Axis.

Two Magnitudes Whether Commensurable Or Incommensurable, Balance At Distances Reciprocally Proportional To The Magnitudes.