1. IOR/F/4/733/19812 Reference (shelfmark): IOR/F/4/733/19812 Title: Scope & Content: Translation by Major Thomas Fiott De Havilland of the French work 'Principes Hydrauliques' - his proposal that the Company should purchase the copyright. Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1819-Mar 1824 Extent: 1 file