The Relationship between the Ramsden Circles at Palermo and Dunsink

  title={The Relationship between the Ramsden Circles at Palermo and Dunsink},
  author={Ileana Chinnici},
  journal={Journal for the History of Astronomy},
  pages={321 - 333}
  • I. Chinnici
  • Published 1 August 2009
  • Physics
  • Journal for the History of Astronomy
At the end of the eighteenth century, the Bourbon Government established many scientific institutions in southern Italy, thanks to the support of a reformist movement founded on the principles of the French Enlightenment. At the time, Sicilian scientific culture was in a state of considerable backwardness, the expulsion of the Jesuits from the Kingdom of the Two Sicilies in 1767 having provoked the immediate collapse of the educational system. One of the most important representatives of this… 
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Figures from this paper

The Objective Lens of the Dunsink Ramsden Circle
When Dunsink Observatory, Dublin, became operational, in 1785, it was expecting to install a large transit circle by Ramsden. Due to problems with its construction, and maybe also with the
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Another equatorial, with 5-ft circles, had been ordered by Ussher for the Dunsink Observatory
  • (London,
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For other technical arrangements, in fact, the most appropriate 'model' could have been the Shuckburgh equatorial, which was in a more advanced state of construction than the Palermo Circle