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Armillary sphere at Purple Mountain Observatory |
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Celestial globe at Purple Mountain Observatory |
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Gnomon, at Purple Mountain Observatory |
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Peking Ancient Obserbatory |
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Time Service Section, Peking Observatory |
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Coordinate mesuring instrument, Peking Observatory |
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Microphotometer, Peking Observatory |
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Scence of field station of Nanking University |
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3.2cm radio telescope of Purple Mountain Observatory |
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Double astrograph of Peking Observatory |
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Coating tank, Peking Observatory |
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Scence [i.e. scene] of fiels station of radio astronomy Astrophysics Section, Peking University |
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Solar Tower of Nanking University |
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Laboratorical and Observatorical Building, Astronomical Department, Nanking Univeristy |
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Scenece [i.e. scene] of Yunan Observatory |
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Purple Mountain Observatory |
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Deme [i.e. dome] of 40cm astrograph, Shanghai Observatory |
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Xinglong observational station, Peking Observatory |
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Armillary sphere at Purple Mountain Observatory |
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Celestial globe at Purple Mountain Observatory |
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Gnomon, at Purple Mountain Observatory |
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