Talk:Beijing Ancient Observatory

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[edit] Instrument description

Here is an attempt to identify the astronomical instruments on those pictures (I will label the top pictures with 1 through 4)

  1. This is an Armillary sphere;
  2. Instrument to measure altitude angles, similar to a Quadrant;
  3. Unsure! Maybe a flat Astrolabe?
  4. Unsure! Instrument to measure azimuth angles?

Hope others will chime in. Awolf002 15:30, 17 February 2006 (UTC)

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