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There is a page named "File:Dominion Astrophysical Observatory ca. 1900-1925.jpg" on Wikipedia
- DescriptionDominion Astrophysical Observatory ca. 1900-1925.jpg English: Dominion Astrophysical Observatory ca. 1900-1925. From Albertype Company fonds...(600 × 458 (96 KB)) - 13:33, 17 January 2021