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Description

This is an expansive navigational chart of the northern Red Sea, centered on the Sinai Peninsula and showing the Gulfs of Suez and Aqaba. Containing all the detail typical of British Admiralty maps, this would have been a chart of the utmost importance for anyone navigating the all-important shipping lanes of the region.

The map stretches from the Suez Canal in the north to about fifty miles south of the Sinai Peninsula. Detail shown includes soundings, shoals, reefs, anchorages, lighthouses, and more. On land, the map is surprisingly detailed for an Admiralty chart, showing the many mountains, plains, and wadis of the area. The map includes four inset maps, showing Tor Harbour, Sherm Jubba, Sherm Yahar, and Tiran Island. In addition, a depiction of a lighthouse and a panorama of the Straight of Jubal in the southern Sinai are provided.

Descriptions of the landscape, names with religious connotations, and other points of intrigue abound on this map. The work was originally published alongside four other maps of the Red Sea, likely showing parts of the region further to the south. The map contains some manuscript annotations showing calculations and navigational tracks up the Gulf of Suez.

British Admiralty Biography

The British Admiralty has produced nautical charts since 1795 under the auspices of the United Kingdom Hydrographic Office (HO). Its main task was to provide the Royal Navy with navigational products and service, but since 1821 it has also sold charts to the public.

In 1795, King George III appointed Alexander Dalrymple, a pedantic geographer, to consolidate, catalogue, and improve the Royal Navy’s charts. He produced the first chart as the Hydrographer to the Admiralty in 1802. Dalrymple, known for his sticky personality, served until his death in 1808, when he was succeeded by Captain Thomas Hurd. The HO has been run by naval officers ever since.

Hurd professionalized the office and increased its efficiency. He was succeeded by the Arctic explorer Captain William Parry in 1823. By 1825, the HO was offering over seven hundred charts and views for sale. Under Parry, the HO also began to participate in exploratory expeditions. The first was a joint French-Spanish-British trip to the South Atlantic, a voyage organized in part by the Royal Society of London.

In 1829, Rear-Admiral Sir Francis Beaufort was appointed Hydrographer Royal. Under his management, the HO introduced the wind force scale named for him, as well as began issuing official tide tables (1833). It was under Beaufort that HMS Beagle completed several surveying missions, including its most famous voyage commanded by Captain FitzRoy with Charles Darwin onboard. When Beaufort retired in 1855, the HO had nearly two thousand charts in its catalog.

Later in the nineteenth century, the HO supported the Challenger expedition, which is credited with helping to found the discipline of oceanography. The HO participated in the International Meridian Conference which decided on the Greenwich Meridian as the Prime Meridian. Regulation and standardization of oceanic and navigational measures continued into the twentieth century, with the HO participating at the first International Hydrographic Organization meeting in 1921.

During World War II, the HO chart making facility moved to Taunton, the first purpose-built building it ever inhabited. In 1953, the first purpose-built survey ship went to sea, the HMS Vidal. Today, there is an entire class of survey vessels that make up the Royal Navy’s Hydrographic Squadron. The HO began to computerize their charts in the late 1960s and early 1970s. In 1968, the compilation staff also came to Taunton, and the HO continues to work from there today.