B/w chart with minor hand colouring, printed on heavy paper 103x70cm. Good, folded with light creasing, a couple of short tears with small archival tape repair to verso, and minor loss to margin. Lightly tanned. First published on 26 June 1933, this edition dates to 12 March 1937 with small corrections to 1945. This presents 8 charts of highly strategic, sometimes disputed, islands and other coastal locations in the Arabian / Persian Gulf as follows: (1) "Persian Gulf Entrance - Khor Kuwai Anchorage" at Musandam, Oman, 1:15,000, by Lt Cdr WI Farquharson et al aboard HM Surveying Ship Ormonde (1931). / (2) Khasab Bay and Khor Ash Shum (Elphinstone Inlet) from a survey by HM Surveying Ship Ormonde (1931), 1:75,000, showing parts of the Musandam and Shamm Peninsula. / (3) Jezirat Sir Bu Na'air from a survey by HC Marine (1823), 1:50,000, off the Abu Dhabi coast (today part of Sharjah). / (4) Jezirat Bu Musa from a survey by HMS Alert (1911-12), 1:50,000, the highly strategically located c