Abstract
AN interesting service to astronomy has been rendered by Mr. Davidson, the head of the American Transit Expedition to Nagasaki, Japan; he has determined the exact site of Abbé Chappe d'Auteroche's Observatory in 1769, when he observed the transit by order of the French Academy of Science, at St. Joseph, California. As Abbé Chappe died soon afterwards from a fever caught while fulfilling his mission, his narration was completed by people who had never been on the spot; a blank has been left in the records of his observations, which has now been filled up 108 years after the event. The Abbé Chappe was an uncle of the celebrated Chappe who invented telegraphs during the wars of the Revolution.
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Notes . Nature 12, 459–461 (1875). https://doi.org/10.1038/012459a0
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DOI: https://doi.org/10.1038/012459a0
