An 18th century map of the Americas

A scarce map of the Americas, published in Euler's 'Atlas Geographicus' under the auspices of the Prussian Royal Academy of Sciences, whose privilege stamp appears bottom right. Of interest is the North West Passage, which appears as a river running west from the Great Lakes to the Pacific Leonhard Euler (1707-83). a Swiss mathematician, also helped prepare the 'Atlas Russicus' in St Petersburg, 1745. A very fine example.