Geodesy.
Gumpach, Johannes von. **E,5115.3
The true figure and dimensions of the earth, newly determined from the results of geodetic measure- ments and pendulum observations; and considered both with reference to the progress of scientific truth, and as bearing upon the practical interests of British commerce and navigation; in a letter, to George Biddell Airy. 2d ed., entirely recast.
With 30 diagrams. —_
 
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