1. IOR/F/4/1907/81527 Reference (shelfmark): IOR/F/4/1907/81527 Title: Scope & Content: Efforts made by Lieutenant Thomas Studdert of the Bombay Engineers to produce a new and improved type of 'charka' for cleaning cotton Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1839-Dec 1839 Extent: 1 file