1. IOR/Z/E/4/20/O97 Reference (shelfmark): IOR/Z/E/4/20/O97 Title: O'Shaughnessy, Dr. W.B., Practicability of establishing Electric Telegraph between Calcutta and the Sands Heads, report on by Collection Area: India Office Records and Private Papers Languages: English Date Range: 1849-1850 Extent: 1 entry