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Title: This is a specimen of the manner in which sea charts are commonly drawn, by help of the sides of a regular poligon, shewing the points of the compass card. The corners of the poligon being joined, do become the points & subdivisions of the compass. [Go to resource]
Description: Single sheet, engraving. Scale [circa 1:3,000,000]. The scale is in leagues.This is an ungraduated chart with rhumb lines. Soundings, rocks and sandbanks are shown. A page from an unidentified instruction manual. caption: G223:1/47 specimen chart, anon Publisher: "http://collections.rmg.co.uk/" Rights holder: "Royal Museums Greenwich" Source: Royal Museums Greenwich Identifier: http://collections.rmg.co.uk/collections... Go to resource More Like this...
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