1. IOR/L/E/6/53, File 28 Reference (shelfmark): IOR/L/E/6/53, File 28 Title: File S&C 28/1881 - Report by Major James Waterhouse, Assistant Surveyor General, on his proceedings in connection with the study of heliogravure during the year 1880 Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1881-Feb 1881 Extent: 1 file