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Insulæ Americanæ in oceano septentrionali cum terris adiacentibus

description

Summary

Appears in the author's Theatrum orbis terrarum.

Text on verso in Latin.

Available also through the Library of Congress Web site as a raster image.

Vault

In the 17th century, maps took a huge leap forward. Mathematical and astronomical knowledge necessary to make accurate measurements had evolved. English mathematicians had perfected triangulation: navigation and surveying by right-angled triangles. Triangulation allowed navigators to set accurate courses and produced accurate land surveys. Seamen learned to correct their compasses for declination and had determined the existence of annual compass variation. Latitude determination was greatly improved with the John Davis quadrant. The measurement of distance sailed at sea was improved by another English invention, the common log. Longitudinal distance between Europe and Québec was determined by solar and lunar eclipses by the Jesuit Bressani in the 1640s and by Jean Deshayes in 1686. With accurate surveys in Europe, the grid of the modern map began to take shape.

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Tags

caribbean area maps early works to 1800 latin general maps geography and map division willem janszoon blaeu map oceano septentrionali cum terris adiacentibus insulæ americanæ ultra high resolution high resolution antique maps
date_range

Date

01/01/1635
collections

in collections

XVII Century Maps

Birth of modern maps.
place

Location

caribbean area
create

Source

Library of Congress
link

Link

https://www.loc.gov/
copyright

Copyright info

Public Domain

label_outline Explore Willem Janszoon Blaeu, Caribbean Area, Latin

Topics

caribbean area maps early works to 1800 latin general maps geography and map division willem janszoon blaeu map oceano septentrionali cum terris adiacentibus insulæ americanæ ultra high resolution high resolution antique maps