Account of Operations of Great Trigonometrical Survey

 

 


1870 Vol 1 Standards of Measure and Base-Lines & Early Operations by Walker s.pdf  28.93 MB

1873 Vol 3 Principal Triangulation of North-West Quadrilateral by Walker s.pdf  39.31 MB

1876 Vol 4 Principal Triangulation of North-West Quadrilateral by Walker s.pdf  40.23 MB

1879 Vol 2 History and Description of Principal Triangulation and its Reduction by Walker s.pdf  42.64 MB

1879 Vol 5 Details of Pendulum Operations by Basevi s.pdf  54.23 MB

1880 Vol 6 Principal Triangulation of SE Quadrilateral by Walker s.pdf  57.75 MB

1882 Vol 7 Principal Triangulation of NE Quadrilateral by Walker s.pdf  49.07 MB

1882 Vol 8 Principal Triangulation of NE Quadrilateral by Walker s.pdf  48.64 MB

1883 Vol 9 Electro-Telegraphic Longitude Operations 1875-81 by Campbell s.pdf  30.37 MB

1886 Vol 4A Principal Triangulation of Jodhpore and Eastern Sind of NW Quadrilateral by Haig s.pdf  16.63 MB

1887 Vol 10 Electro-Telegraphic Longitude Operations 1881-84 by Strahan s.pdf  32.83 MB

1890 Vol 11 Astronomical Observations for Latitude 1805-1885 s.pdf  43.98 MB

1890 Vol 12 Principal Triangulation of Southern Trigon by Strahan s.pdf  37.78 MB

1890 Vol 13 Principal Triangulation of Southern Trigon by Strahan s.pdf  37.05 MB

1890 Vol 14 Principal Triangulation of SW Quadrilateral by Cole s.pdf  35.47 MB

1893 Vol 15 Electro-Telegraphic Longitude Operations 1885-92 and final results by Strahan s.pdf  28.53 MB

1901 Vol 16 Tidal Observations 1873 to 1892 s.pdf  39.09 MB

1901 Vol 17 Electro-Telegraphic Operations from Karachi to Greenwich by Burrard s.pdf  21.01 MB

1906 Vol 18 Astronomical Observations for Latitude and Deflections of Plumb-line by Burrard s.pdf  29.50 MB

1910 Vol 19 Precision Leveling 1858-1909 by Burrard s.pdf  24.06 MB

1910 Vol 19A Southern Lines of Levelling by Burrard.pdf  26.27 MB

1910 Vol 19B Northern Lines of Levelling by Burrard s.pdf  19.70 MB