1. IOR/X/14233/260 Reference (shelfmark): IOR/X/14233/260 Title: Chart of the North Polar Sea. Admiralty Chart 260. 24 December 1855. [Scale 1:11,700,000.] New edition 24 December 1931. Large correction 22 September 1944. Small corrections to 1960 401. Printed 25 August 1966. Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Two copies.