Hydrographic charts or Admiralty charts are maps designed as aids to navigation at sea. They are produced by the British Admiralty. The Hydrographic Office, a sub-department of the British Admiralty, was established in 1795 and issued its first officially published Admiralty chart in November 1800. Admiralty charts show navigational hazards such as reefs and wrecks, and navigational aids such as lights, buoys and beacons.
Nineteenth-century charts may show coastal elevations and topographic views, useful to identify landfalls and prominent fixing marks. They may also include details of coastal forts and other defenses. Admiralty charts are continually updated and corrected. These corrections were often made by amending the original engraved plate and issuing the chart as a new edition; in other cases the chart was completely re-drawn.Sometimes referred to as a. And launched on 23 December 1813. She was notable as the. That mapped large stretches of the coast of Africa in a voyage from 1821 to 1826, under the command of Captain.
On their return journey, long stretches of the west African coastline and the River Gambia were surveyed. Published London at the Admiralty 1892.
Large corrections to 1928, Small corrections none. Potter, Agent for the Sale of the Admiralty Charts. Large chart on heavy grade paper with centre fold, measuring overall 102cm x 70cm. (40 inches x 27.5 inches). (could not find another) chart with last correction (update) in 1928.This edition is genuinely almost 90 years old and. A recent copy or recent printing as, you will find, most charts are. As charts were updated (corrected) older versions would be discarded, and it is a wonder that these older editions have survived to this day. This is just one of an extensive collection of antique and vintage Admiralty Charts I have been offering for sale over the past few years.
If you have a particular chart in mind, send me a message, I just might have that chart you are looking for. OFFERS CONSIDERED FOR A QUICK SALE.This item is in the category "Antiques\Maps, Atlases & Globes\Africa Maps". The seller is "14jak" and is located in this country: GB. This item can be shipped worldwide.