Triangulation Charts of the Great Trigonometrical Survey of India

Brown, John

doi:10.5281/zenodo.20403649

Published May 27, 2026 | Version v1

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Triangulation Charts of the Great Trigonometrical Survey of India

Brown, John (Data curator)

17 charts illustrating the work of the Great Trigonometrical Survey of India

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Chart 9 East Coast Secondary Series (1887).jpg

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Name	Size	Download all
Chart 12 East Coast Secondary Series (1888).jpg md5:a0c8df32cfc06b3a24c446cf75f42823	2.5 MB	Preview Download
Chart 13 East Coast Secondary Series (1868).jpg md5:cd479717345995634db7322dea899f6e	2.6 MB	Preview Download
Chart 8 East Coast Secondary Series (1887).jpg md5:ca45908409c1c015a523657776e70cd2	2.7 MB	Preview Download
Chart 9 East Coast Secondary Series (1887).jpg md5:a8cb9b32bc01fb143389b031459246dd	2.0 MB	Preview Download
Preliminary Chart 7 Coast Series (1882).jpg md5:25a4094163ac2f532e09b9a10f78a1c7	3.6 MB	Preview Download
Preliminary Chart of Coast Line Minor Series (1867).jpg md5:84123c3911bf0bc11a03a2852141177c	2.2 MB	Preview Download
Preliminary Chart of Great Arc Series Southern Section (1875).jpg md5:e02dfd8585868cdc07f6b3367703e917	3.6 MB	Preview Download
Preliminary Chart of Madras Coast Series (1877).jpg md5:2f86e60c45da4b62e5dd9ea32889a81e	2.8 MB	Preview Download
Preliminary Chart of Madras Coast Series (1879).jpg md5:c8477d663d7428e67d8dbeed4667bd0b	3.6 MB	Preview Download
Preliminary Chart of Madras Coast Series (1880).jpg md5:7913c289ac98ac08b279f69d80d9bad7	2.9 MB	Preview Download
Preliminary Chart of Madras Coast Series (1881).jpg md5:56ce2d73851272220f17857580e2fff2	2.4 MB	Preview Download
Preliminary Chart of Madras Coast Series and Ceylon Connection (1877).jpg md5:e94808266aed8cea3dcd4ebc58768314	3.3 MB	Preview Download
Preliminary Chart of Madras Meridional Series (1869).jpg md5:530451d944de49dda6ede54b35838963	2.8 MB	Preview Download
Supplementary Chart 4 East Coast Secondary Series (1887).jpg md5:3f4277f3aa18a57c7254e2bcebe11446	3.0 MB	Preview Download
Supplementary Chart 5 East Coast Secondary Series (1887).jpg md5:25148c21072827ac300629b791135200	3.2 MB	Preview Download
Supplementary Chart 6 East Coast Secondary Series (1887).jpg md5:271d87db4d4e80b4ae4fda64fd2b20c5	2.9 MB	Preview Download
Supplementary Chart 7 East Coast Secondary Series (1887).jpg md5:ce4b939222b4bfa9d5a9c73869b0954e	2.9 MB	Preview Download

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Data volume	144.4 MB	144.4 MB

Triangulation Charts of the Great Trigonometrical Survey of India

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Files

Chart 9 East Coast Secondary Series (1887).jpg

Files (49.0 MB)