1880 Vol 6 Principal Triangulation of SE Quadrilateral by Walker s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1887 Vol 10 Electro-Telegraphic Longitude Operations 1881-84 by Strahan s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1893 Vol 15 Electro-Telegraphic Longitude Operations 1885-92 and final results by Strahan s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1886 Vol 4A Principal Triangulation of Jodhpore and Eastern Sind of NW Quadrilateral by Haig s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1901 Vol 16 Tidal Observations 1873 to 1892 s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1890 Vol 14 Principal Triangulation of SW Quadrilateral by Cole s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1890 Vol 11 Astronomical Observations for Latitude 1805-1885 s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1890 Vol 12 Principal Triangulation of Southern Trigon by Strahan s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1890 Vol 13 Principal Triangulation of Southern Trigon by Strahan s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1910 Vol 19B Northern Lines of Levelling by Burrard s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1879 Vol 2 History and Description of Principal Triangulation and its Reduction by Walker s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1901 Vol 17 Electro-Telegraphic Operations from Karachi to Greenwich by Burrard s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1906 Vol 18 Astronomical Observations for Latitude and Deflections of Plumb-line by Burrard s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1879 Vol 5 Details of Pendulum Operations by Basevi s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →
1876 Vol 4 Principal Triangulation of North-West Quadrilateral by Walker s.pdf Pahar Posted on August 23, 2021 by adminAugust 23, 2021 Continue reading →