The South Isles of Orkney, to show the situation and extent of Scapa Flow, as a proposed roadsted for line-of-battle-ships, most humbly presented to the Rt. Honble. the Lords Comissioners of the Admiralty: by Graeme Spence, late maritime surveyor to their Lordships. 1812

Single sheet, hand coloured engraving, pasted onto a card mount. Scale [circa 1:63,360 (bar)]. The chart contains compass variation and tidal information and marks eddies and whirlpools. Bearings for passages between the islands are given. There are two insets: A Mercator chart of the west of Europe by G Spence 1812 [circa 1:7,000,000], and: A general chart of the Orkney Isles with the adjacent coast of Scotland [circa 1:500,000].

The chart shows three divisions of 10 ships each at anchor and contains in a text panel: A proposal for establishing a temporary rendezvous for line-of-battle-ships, in a natural roadsted called Scapa Flow, formed by the South Isles of Orkney. Spence warns that if the French could take possession of Orkney they could carry on hostilities from there.

Object Details

ID: G218:14/5
Collection: Charts and maps
Type: Chart
Display location: Not on display
Creator: Spence, Graeme
Places: Pentland Firth
Date made: 1812
Credit: National Maritime Museum, Greenwich, London
Measurements: Printed area 56.5 x 96.5cm, on sheet 65.5 x 102.5cm.
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