TY  - JOUR
T1  - On the Degree of Uncertainty Which Local Attraction, If Not Allowed for, Occasions in the Map of a Country, and in the Mean Figure of the Earth as Determined by Geodesy; a Method of Obtaining the Mean Figure Free from Ambiguity by a Comparison of the Anglo-Gallic, Russian, and Indian Arcs; and Speculations on the Constitution of the Earth's Crust
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 13
SP  - 253
EP  - 276
PY  - 1863/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1863.0061
M3  - doi:10.1098/rspl.1863.0061
AU  - Pratt, J.
ER  -