Plate V. Triangles for the survey of Cornwall. Western part. Vol. 3, 1811
Plate V. Triangles for the survey of Cornwall. Western part. (to accompany) An account of the trigonometrical survey : carried on by order of the Master-General of his Majesty's Ordnance, in the years 1800. 1801, 1803, 1804, 1805, 1806, 1807, 1808, and 1809. By Lieutenant-Colonel William Mudge, ... Vol. III. ... 1811.
David RumseyColby, Thomas
1811
1811
W. Bulmer and Co.
1:253 440