1. IOR/F/4/1915/81984 Reference (shelfmark): IOR/F/4/1915/81984 Title: Scope & Content: Improvements in the art of lithography made by Assistant Surgeon Ambrose Blacklock - the Chief Engineer, Madras [Colonel William Monteith] declares that Blacklock's method of lithography is not suitable for use in the Military Lithographic Press Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1840-Jul 1840 Extent: 1 file