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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
Title
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 / Published by order of the Master-General and Board of Ordnance. Drawn up by Capt. Alexander Ross Clarke ... under the direction of Lt. Col. H. James ...
Published
London : Printed by G.E. Eyre and W. Spottiswoode, 1858.
Physical Description
[4], xvii, 782, [2] p. front., tables, atlas of 29 plates. 32 cm.
Local Notes
MUDD WE 3825a: Atlas of plates. 28 plates only.
Notes
Title vignette.
Variant and related titles
Principal Triangulation
Ordnance Trigonometrical Survey of Great Britain and Ireland account of the observations and calculations of the Principal Triangulation ...
Other formats
Also freely available online.
Online version: Great Britain. Ordnance Survey. Account of the observations and calculations, of the principal triangulation. London, Printed by G.E. Eyre and W. Spottiswoode, 1858
Format
Books
Language
English
Added to Catalog
February 05, 2013
Partial contents
v. 1. Description of stations.-Description of instruments.-Reduction of observations.-Observations, terrestrial and astronomical.-Measurement of base lines.-Principles of calculation.-Reduction of the triangulation.-Triangles and distances.-Terrestrial zenith distances altitudes.-Connection of geodetical and astronomical observations.-Determination of the amount of local attraction at various astronomical stations in the triangulation.-Determination of the spheroid most nearly representing the surface of Great Britain and Ireland.-Of the length of the degree, etc., latitudes and longitudes and directions of the meridian at the different stations.-Figure of the Earth.
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