Radius of the Earth Measurements


Other examples of Spherical Excess measurements

  • Screen Shot 2020-02-26 at 5.40.08 PM“Geodesy primary triangulation on the 104th meridian and on the 39th parallel in Colorado Utah and Nevada”
    • See page 62 for Spherical excess example.





Overview of several different measurements circa 1906:

History of the Determination of the Figure of the Earth from Arc Measurements