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The original telescopes at the observatory were a 12-in. (30.4-cm) refracting telescope (1881, since decommissioned) and a 36-in. (91.4-cm) refracting telescope (1888), second largest in the world after the 40-in. (101.6-cm) refractor at Yerkes Observatory . The original telescopes at the observatory were a 12-in. (30.4-cm) refracting telescope (1881, since decommissioned) and a 36-in. (91.4-cm) refracting telescope (1888), second largest in the world after the 40-in. (101.6-cm) refractor at Yerkes Observatory .
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