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Passages du soleil et de Mercure aux fils horizontaux et verticaux du réticule de la lunette perpen
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/passagesdusolei00bory
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Papers
...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...
https://library.si.edu/digital-library/book/papers00bail
