On offer: an original (i.e. not a later reproduction) vintage Admiralty Chart "Owers to Beachy Head. From Admiralty Surveys to 1937 with corrections to 1951." Includes Decca lines.
First officially published in November 1800, navigation charts produced by the UK Hydrographic Office are an essential for sailors the world over and have an instantly recognisable, almost iconic, design. Admiralty Chart 1652, showing Bexhill; Beachy Head; Newhaven; Shoreham-by-Sea; Worthing; Littlehampton and Bognor.
DATE PRINTED: 1957, dated on the print. Updated from the 1952 issue.
SIZE: The printed area of the view, including titles, is approximately 109 x 68 cm (43 by 28.5 inches) (large) plus margins and 2 folds as issued.
ARTIST/CARTOGRAPHER/ENGRAVER: Published by the Admiralty, 8th March 1957.
TYPE: Vintage lithograph printed on thick paper.
VERSO: There is nothing printed on the reverse side.
CONDITION: Very Good; suitable for framing. Please check the scan for any blemishes prior to making your purchase. Virtually all vintage maps and prints are subject to some normal aging due to use and time which is not significant unless otherwise stated. I offer a no questions asked return policy.
AUTHENTICITY: This is an authentic vintage print, published at the date stated above. I do not offer reproductions. It is not a modern copy. The term 'original' when applied to a print means that it was printed at the first or original date of publication; it does not imply that the item is unique.
RETURNS POLICY: I offer a no questions returns policy. All I ask is that you pay return shipping and mail back to me in original condition.
POSTAGE / SHIPPING COSTS: I only charge postage for the first print ordered. There is no additional postage charge if you order more than one print.
BACKGROUND INFORMATION: Decca is a continuous-wave hyperbolic navigation system of high accuracy. It was first conceived in the USA in 1937 and further developed in the UK by the Decca Company with the Admiralty's Signal Establishment. It was first used operationally for the navigation of minesweepers and landing craft in the Normandy landings in 1944, but is now defunct. A Decca chain consisted of a land-based master transmitter and three slave transmitters, designated red, green and purple, locked in a precise phase relationship with the master station and set up in a triangular pattern situated between 135 kilometres (85 mls.) and 385 kilometres (240 mls.) from the master. A vessel fitted with Decca would carry the receiver and three decometers (red, green, and purple) and the appropriate nautical charts overprinted with the Decca lattice displaying the hyperbolic position lines in the colours of the slave stations.
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