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Description

Fine 18th Century Wall Map of the World

Striking example of the 1780 edition of Dunn's decorative double hemisphere map of the World, embellished with a number of different Celestial Models, which has been revised to include the discoveries of Captain Cook on his 3 voyages.

Dunn's map is one of the most popular and recognizable wall maps of the world from the period, having been the map of choice for a number of atlases published by Jefferys, Sayer & Bennett and Laurie and Whittle over a 30 year period. The map was revised several times, with this example, bearing the Sayer & Bennett imprint, being quite possibly the most sought after, because of the addition of the complete set of tracks for Cook's 3 voyages.

Condition Description
Some minor expert restoration along edges, but generally a very good example.
Samuel Dunn Biography

Samuel Dunn (bap. 1723-1794) was a teacher of mathematics and navigation who published, among other things, maps and charts. Although information about his early education is lacking, by age nineteen he was leading his own school and teaching writing, accounting, navigation, and mathematics in Devon. In 1751, he moved to London, where he taught in several schools and tutored privately.

By the 1760s, Dunn was known as a respected astronomer and had published a range of textbooks on math, navigation, and astronomy. After the publication of the Nautical Almanac, Dunn acted as a certifier of ships’ masters under the new system, on behalf of the Board of Longitude. He performed similar work for the East India Company, as well as made charts of the East Indies. In 1776 he published A New Variation Atlas and, in 1777, A New Epitome of Practical Navigation, or, Guide to the Indian Seas. By 1780, he was named editor of the New Directory for the East Indies, which included his own charts. In 1786, he released a pioneering study, Theory and Practice of Longitude at Sea. He also designed several instruments for navigation.

Dunn died at his home in Fleet Street in January 1794. His books and maps were auctioned at Sothebys in a sale of over 1,000 lots. Many of these were bought by Alexander Dalrymple, hydrographer of the East India Company and soon-to-be-named first head of the Hydrography Office.