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Description

Rare Map of the World By Benjamin Martin, illustrating various Solar and Universal Phenomena.

Published by Laurie & Whittle on May 12, 1794 and most typically found bound into Samuel Dunn's New Atlas of the Mundane System . . ., this map is a marvelous compendium of geographical and celestial information.

Each hemisphere is surrounded with wide bands containing English text describing the principles of geography and astronomy.

Five, uncolored, diagrams surround the map, including:

  • Saturn's Ring and Five Moons
  • The Solar System
  • Jupiter and his Four Moons
  • Seasons of the Year
  • The Solar and Lunar Eclipse

The reader is instructed (for example) in the use of latitude and longitude to find specific locations on a map; to be able to predict the location and movement of the sun on any given day; and to determine the length of any given day.

Condition Description
Some minor soiling.
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.