1. IOR/L/E/9/831 Reference (shelfmark): IOR/L/E/9/831 Title: Collection 124/1 Patents and Designs - Indian Patents and Designs (Amendment) Acts 1930 - 1945, with Rules 1933 Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1928-Jul 1946 Extent: 1 file