Expeditions and Discoveries Sponsored Exploration and Scientific Discovery in the Modern Age

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You searched for: Creators/Contributors Pickering, William H. (William Henry), 1858- Remove constraint Creators/Contributors: Pickering, William H. (William Henry), 1858- Language English Remove constraint Language: English Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Subjects Atmospheric transparency Remove constraint Subjects: Atmospheric transparency
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