1. IOR/L/PS/11/266, P 780/1926 Reference (shelfmark): IOR/L/PS/11/266, P 780/1926 Title: P 780/1926 Tibet: activities of Ma Chin-si in regard to the purchase and importation of foreign (Japanese) machinery for the manufacture of smokeless powder Collection Area: India Office Records and Private Papers Languages: English Date Range: 17 Sep 1925-4 Mar 1926 Extent: 1 file