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Bermuda Islands. Historic map, Library of Congress nautical chart
Summary
Scale ca. 1:22,000.
Title from verso.
Manuscript, pen-and-ink and watercolor.
Has watermark.
Depths shown by soundings.
Shows location of forts, city of St. George's, and boundaries of "tribes" and "St. Georges Parish."
Available also through the Library of Congress Web site as a raster image.
Includes text pertaining to soundings and tides and inset of "Castle Island."
On verso: 5.
LC Maps of North America, 1750-1789, 2150
Vault
AACR2: 651/1; 651/2; 650/3; 650/4
The word portolan comes from the Italian adjective portolano, meaning "related to ports or harbors", or "a collection of sailing directions". Portolan charts are maps based on compass directions and estimated distances observed by the pilots at sea. They were first made in the 13th century in Italy, and later in Spain and Portugal where they considered to be state secrets. The English and Dutch found the description of Atlantic and Indian coastlines extremely valuable for their raiding, and later trading, ships. The oldest survived portolan is the Carta Pisana, dating from approximately 1296 and the oldest preserved Majorcan Portolan chart is the one made by Angelino Dulcert who produced a portolan in 1339.
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