1. IOR/L/PS/11/150, P 1622/1919 Reference (shelfmark): IOR/L/PS/11/150, P 1622/1919 Title: P 1622/1919 China: wireless communication; the Marconi Company's contract Collection Area: India Office Records and Private Papers Languages: English Date Range: 27 Aug 1918-14 Apr 1919 Extent: 1 file