Thomas Cooke telescopes bought and sold in Chester

In 1865 Dr William Murray Dobie of Kings Buildings, Chester purchased a 6inch Telescope from Thomas Cooke &Sons. 

Dr Dobie was advertising for sale a 5.5 inch telescope that he had brought from Cookes in 1863. I have no idea why he was replacing this telescope as he described it as nearly new, it was only 2 years old and he described it as being of the first rate. He was selling this Cooke telescope without its stand,

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