1. IOR/L/E/6/42, File 569 Reference (shelfmark): IOR/L/E/6/42, File 569 Title: File S&C 569/1880 - Enquiry of Major Herschel as to the previous distribution of copies of the Account of the Great Trigonometrical Survey Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1880 Extent: 1 file (2 folios)