Royal Museums Greenwich

Dr Crabtree`s patent `observatory` magnifier

Dr Crabtree`s patent `observatory` magnifierDr Crabtree`s patent `observatory` magnifier

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Price: £16.00 Product code: HW0082

A functional brass and glass domed 'observatory' magnifier. Believed to have been designed in 1804 by the legendary British inventor and polymath Joseph Crabtree.

  • Magnifies approximately 3x
  • Diameter: 5 cm
  • Height: 3 cm

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