1. IOR/L/PS/6/566, Coll 190 Reference (shelfmark): IOR/L/PS/6/566, Coll 190 Title: Request of the Punjab Government to be supplied from London with six Nortons tube wells for experimental use in irrigation work in the Punjab Collection Area: India Office Records and Private Papers Languages: English Date Range: Dec 1868-Mar 1869 Extent: 1 file