3 résultats

Account of the observations and calculations of the principal triangulation, and of the figure, dimensions and mean specific gravity of the earth as derived therefrom,..

Determination of the positions of Feaghmain and Haverfordwest, longitude stations on the great European arc of parallel: being an appendix to the account of the principal triangulation of Great Britain and Ireland

Ordnance trigonometrical Survey of Great Britain and Ireland: Account of the Observations and Calculations of the Principal Triangulation and of the figure, dimensions and mean specific gravity of the Earth as derived therefrom