Category:Mechanical equatorial sundial (Harvard University)
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Media in category "Mechanical equatorial sundial (Harvard University)"
The following 3 files are in this category, out of 3 total.
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Detail of grand orrery in Putnam Gallery 2, 2009-11-24.jpg 3,888 × 2,592; 7.28 MB
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Mechanical equatorial sundial in Putnam Gallery, 2009-11-24.jpg 1,923 × 2,403; 1.24 MB