Dr Crabtree's Patent 'Observatory' Magnifier

Dr Crabtree's Patent 'Observatory' Magnifier

Regular price £18.00 Sale

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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