1. IOR/L/E/9/1046 Reference (shelfmark): IOR/L/E/9/1046 Title: Collection 152/42 Tariff Board Enquiries - magnesium chloride under the Heavy Chemical Industry (Protection) Act, 1931 Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1938-Dec 1948 Extent: 1 file