Earth, Figure of.
Gumpach, Johannes von. ##£,5115.3
The true figure & dimensions of the earth, newly de- termined from the results of geodetic measurements and pendulum observations; and considered both with reference to the progress of scientific truth, and as brasing upon the practical interests of British commerce & navigation; in a letter to Geo. Biddell Airy.
entirely recast. with 30 diagrams.
London, A 8°.