1. IOR/L/PS/10/104, f 109 Reference (shelfmark): IOR/L/PS/10/104, f 109 Title: Diagram 1 and Diagram II Scope & Content: A technical drawing showing the linkage between the telegraph line, the tapping wire and the receiver. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1908 Extent: 1 folio
