1. IOR/V/19/3
- Reference (shelfmark):
- IOR/V/19/3
- Title:
- Account of the Operations of the Great Trigonometrical Survey of India, Vol 3, The Principal Triangulation: the base-line figures, the Karachi Longtitudinal, NW Himalaya, and Great Indus series of the North-West Quadrilateral. J.T. Walker. Dehra Doon, 1873
- Collection Area:
- India Office Records and Private Papers
- Languages:
- English
- Date Range:
- 1873
- Extent:
- 1 volume