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[1402.1945] The US Naval expedition to the southern hemisphere 1849 - 1852 - http://t.co/ifciZBa6iX
[1402.1945] The US Naval expedition to the southern hemisphere 1849 - 1852 - http://t.co/ifciZBa6iX
An international campaign of the 19th century to determine the solar parallax - The US Naval expedition to... http://t.co/GYetZ5qdSg