Scales of 500 'British Miles 68.8 = 1 Degree' [=3.7 inches], etc. Manuscript scale note added '140 miles to an Inch, = 1:8870400'. Marked in manuscript to show 'Stations at which Collectors reside'.
India Sheet VIII Bengal Presidency published 1 June 1831.
Scope & Content:
Scales of 100 'British Miles 68.8 = 1 Degree' [=2.82 inches], etc. Includes parts of Bengal, Orissa, Sikim, Bhotan, Lower Assam, Cossya, Silhet, Tiperah and Chittagong.