1. IOR/E/1/34 ff. 364-365v Reference (shelfmark): IOR/E/1/34 ff. 364-365v Title: Letter 184 Commissioners of the Ordnance at the Ordnance Office to the Court concerning the refraction of saltpetre. Collection Area: India Office Records and Private Papers Languages: English Date Range: 17 Jun 1748 Extent: 1 Item