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Determination of the Difference of Longitude Between Washington and Paris 1913-1914/en-ca/determination-of-the-difference-of-longitude-between-washington-and-paris-1913-1914/524F3800-732D-4437-A973-42CBEC7077C7.html524F3800-732D-4437-A973-42CBEC7077C7
Determination of the Difference of Longitude Between Washington and Paris 1913-1914 - Primary Source Edition