Free Images: "bestof:Sayre Observatory interior view 1896.jpg An equatorial telescope of six inches aperture by Alvin Clark Sons in the dome of Sayre Observatory http //www lehigh"
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Interior_view_of_Lick_Observatory_on_Mount_Hamilton,_California,_ca.1904-1909_(CHS-3942).jpg
Interior view of dome and TAO refractor telescope, used for hand-on viewing at Stargazes and classes.jpg
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Dom_Pedro_II_Observatory,_Saint_Thomas_Island,_Danish_Possession_in_the_Antilles-_Interior_View_of_the_Western_Part_of_the_Main_Central_Pavillion_with_the_Equatorial_Telescope_of_the_Barão_de_Teffé_WDL1759.png
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Dom_Pedro_II_Observatory,_Saint_Thomas_Island,_Danish_Possession_in_the_Antilles-_Pavilion_of_the_Equatorial_Telescope_of_the_First_Lieutenant_Índio_do_Brasil_WDL1757.png
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Yerkes 40 inch Refractor Telescope-2006.jpg
Queensland State Archives 2280 Panorama of Brisbane from Observatory looking south southeast 1896.png
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