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Showing results 1 - 2 of about 2 for copyright

  1. Determination of the longitude of several stations near the northern boundary of Ohio, from transits

    ...(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/determinationofl00walk

  2. Researches concerning the periodical meteors of August and November

    ...(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/researchesconcer00walk

Showing results 1 - 2 of about 2 for copyright
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