East Africa (Mombasa) defence scheme map
East Africa (Mombasa) defence scheme map, IDWO 1891. Overprinted on monochrome Admiralty Chart, this map shows beacons, submarine cables and potential landing sights. Covers Mombasa island and surrounding estuaries. Originally classified Secret"."
Great Britain. War Office. Intelligence Division.
[London] : [War Office, Intelligence Division]