1. IOR/L/PJ/6/159, File 1429 Reference (shelfmark): IOR/L/PJ/6/159, File 1429 Title: Letters Patent in India; Inquiry from W M Hawkins as to how far the Government reserves the right to use an invention without paying the inventor Collection Area: India Office Records and Private Papers Languages: English Date Range: 6 Aug 1885 Extent: 1 file