1. IOR/L/E/6/39, File 265 Reference (shelfmark): IOR/L/E/6/39, File 265 Title: File S&C 265/1880 - Lists of negatives of solar photographs taken at Dehra Dun Observatory and sent to Mr Norman Lockyer, Science and Art Department, Kensington Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880 Extent: 1 file