On the 20th December 1858 Dr Matthews from Tynemouth ordered a telescope of 4 inch aperture, from Thomas Cooke & Sons of York, plus a polished brass tube, a finder, four eyepieces, sun prism and dark glasses, two brass clamps for fixing to stand at a cost of £40. ( In 2022 that would be equal to £5,870)
At the same time he also ordered a plain equatorial stand with tangent screw motion…. Hook's joint &c £7 (In 2022 that would equal £1,025). A Hook's joint is essential a universal joint. The mechanism was invented by Robert Hooke (1635-1703) Packing cases £1 10s 0d. (In 2022 that would equal £220
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