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Purple Mountain Observatory
23. 40 cm Aperture Twin Refracting Telescope This is used to observe minor planets, comets meteors, etc. On to Page 24 Back to Page 22Hi-Res Pic (132K) Back to Purple Mountain - Page 4 |
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Purple Mountain Observatory
23. 40 cm Aperture Twin Refracting Telescope This is used to observe minor planets, comets meteors, etc. On to Page 24 Back to Page 22Hi-Res Pic (132K) Back to Purple Mountain - Page 4 |