An Account of the Trigonometrical Survey, Carried on in the Years 1795, and 1796, by Order of the Marquis Cornwallis, Master General of the Ordnance — latest news, discussion & facts — IJR
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An Account of the Trigonometrical Survey, Carried on in the Years 1795, and 1796, by Order of the Marquis Cornwallis, Master General of the Ordnance
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An Account of the Trigonometrical Survey, Carried on in the Years 1795, and 1796, by Order of the Marquis Cornwallis, Master General of the Ordnance
