| Summary: | 18th century Copper engraving handcolored with watercolor. Full color. Mounted on linen. Contains watermark. Relief shown pictorially. <Printed in cartouche in lower left corner: "North America, with The West indies, wherein are Distinguished the United States, and All the Possessions Belonging to the European Powers; with the latest Discoveries of the English, and the Spaniards. By Samuel Dunn Mathematician. London Printed for Robert Sayer, No. 53, Fleet Street, as the act directs, June 10th 1786." Printed in bottom border in lower left corner: "Longitude West of Ferro." Printed along prime meridian in upper right corner: "Meridian of Ferro Island 17 d. 35 m. West of London." Printed in upper right and lower right corners outside the borders: "39." Depicts the Kamtschatka Peninsula in Russia and the "Sea of Kamtschatka" separating Kamtschka from modern-day Alaska. Shows Captain James Cook's route of exploration of northwest coast of North America and the Pacific Ocean. Shows the Sandwich Islands and Hawaii or "Owhyhee" in the Pacific Ocean as the place "where Capt. Cook was killed. Feb. 1779." Depicts northern California as "New Albion" and the northwestern area of modern-day United States as "Quivira." Shows the United States up to the edge of the Mississippi River where Louisiana begins. Depicts several areas where Native American tribes including the Sioux, the Apaches and the Creeks reside. Shows the "River of the West according to some" heading into the Pacific Ocean in the northwest region of modern-day United States. Of note, shows Greenland as connected to North America. Prime Meridian: Isle of Ferro. Scale c.a. 1:30,000,000. Samuel Dunn (d. 1794) was a London mathematician, publisher and mathematics teacher. His works include: "Directory for East Indies" (1767), "General Atlas" for Sayer and Jefferys (1768), "New Atlas of Mundane System" (1774), "American Military Pocket Atlas" (1776), maps for Gregory (1779), "World" in two sheets (1780-1), and "England and Wales" (1788) (Tooley, 180). Robert Sayer (1725-1794) was a publisher and map and print seller who published much of his contemporaries' work including the work of Thomas Kitchin, Bellin and d'Anville (Moreland and Bannister, 172). He worked with Philip Overton beginning in 1745 utnil Overton died in 1751. Sayer then continued to work on his own. He published Rocque's small "British Atlas" (1753), "map of Atlantic" (1757) and "Large English Atlas" (1760). He later collaborated with Herbert and reissued many works by John Senex (?-1740). After cartographer, Thomas Jefferys, went bankrupt, Sayer took some of Jeffreys' assets and with Jefferys published "General topographic map of North America and the West Indies" (1768) and "Middle British Colonies in America" (1768, 1775). In 1770, Sayer was joined by John Bennett. In 1771, Jefferys died and most of his business passed to William Faden while some of his plates stayed in Sayer's hands. Sayer and Bennet then published "General Atlas" (1773), "North American Atlas' (17750, "North American Pilot" (1775-6), "American Military pocket Atlas" (1776), "West India Atlas" (1775), and "Complete Channel Pilot" (1781). In 1781 Bennett retired and then died in 1787. Sayer continued to work on his own until his own retirement in 1792. He then sold his plates and business to Robert Laurie and James Whittle (Tooley, 561). James Cook (1728-1779) was an English navigator and hydrographer who conducted extensive naval expeditions involving the survey of Newfoundland and exploration in the south Pacific Ocean and the northwest coast of North America. Throughout his three major voyages in the 1760s and 1770s, Cook encountered New Zealand, Australia, the Hawaiian Islands, and the Bering Strait. After great success on his second voyage circumnavigating the globe, he was elected to the Royal Society and given the rank of post-Captain. During his last voyage through the south Pacific Ocean and the northwest coast of North America from 1776-1779, he died in a skirmish with native inhabitants of Hawaii on February 14, 1779. Following his death, Charles Clerke took over charge of the expedition (Howgego, 254-58). This map illustrates both the exploration of Cook and Dixon. Wagner notes that the names used in the northern portion of the map follow Cook and Dixon while the southern parts of the map copy the work of Anson (Wagner, 352, entry 736). Source(s): Howgego, Raymond John. "Encyclopedia of Exploration to 1800: A Comprehensive Reference Guide to the History and Literature of Exploration, Travel, and Colonization from the Earliest Times to the Year 1800." Potts Point, Australia: Hordern House, 2003. Tooley, Ronald Vere. "Tooley's Dictionary of Mapmakers." Hertfordshire: Map Collector Publications Limited, 1979. Wagner, Henry R. "The Cartography of the Northwest Coast of America to the year 1800 Volume 2." Berkeley: University of California Press, 1937.
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