1. IOR/L/MIL/5/391, Coll 136a Reference (shelfmark): IOR/L/MIL/5/391, Coll 136a Title: Military Department Special Collections: Collection 136a Scope & Content: Copy Bengal correspondence and proceedings on a book on hydraulics by Maj Thomas Fiott de Havilland, Madras Eng Collection Area: India Office Records and Private Papers Languages: English Date Range: 1821-1822 Extent: 1 file