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Start Over You searched for: Collection Robert B. Ariail Collection of Historical Astronomy Remove constraint Collection: Robert B. Ariail Collection of Historical Astronomy Institution South Carolina State Museum Remove constraint Institution: South Carolina State Museum

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41. Twin Refracting Telescopes

42. Tulley & Sons 3 in. refractor

43. Troughton and Simms filar micrometer

46. Thomas Cooke & Sons 4 in. refractor

47. Thomas Cooke & Sons 3 in. refractor

48. Thirty-Six Inch Refractor

50. The Van Vleck Observatory