1. IOR/W/L/PS/21/B23 Reference (shelfmark): IOR/W/L/PS/21/B23 Title: Skeleton Map of Telegraph lines in Persia (with British & Russian Consulates shown). Scope & Content: 100 m[iles to 1 inch]. Harrison & Sons (for F.O.) April 1899.’ Collection Area: Map Collections Languages: English Date Range: 1899 Extent: 1 item