James Imray was an English hydrographer and stationer active in London during the middle to later part of the 19th century. Imray was a prominent producer of blue-back charts, a kind of nautical chart popular from about 1750 to 1920 and named for its distinctive blue paper backing.
Imray (later Imray and Sons) supplied charts for much of the world sea trade from about 1850 to 1910.
Unlike government charts issued by the British Admiralty and the U.S. Coast Survey, Imray's charts were a private profit based venture.
Imray's charts were a combination of pre-existing charts with newly added information gleaned from commercial pilots and navigators.
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