1. IOR/Z/E/4/19/A9 Reference (shelfmark): IOR/Z/E/4/19/A9 Title: Abbott, Lieut. Col. Frederick, C.B., Engineers, Opinions respecting the Solani Aqueduct & construction of Galvanic telegraphs on line of Canal Collection Area: India Office Records and Private Papers Languages: English Date Range: 1846-1849 Extent: 1 entry