York Science & Innovation Grand Tour May - Sept 2012

Sponsored by Aviva

32 Observatory, Museum Gardens

Did you know?

York man Thomas Cooke built the 4 inch refractor telescope inside this observatory in 1850 and he went on to make the then-largest telescope in the world.

Cooke studied optics and became interested in making telescopes, the first of which was a refracting telescope with the base of a tumbler shaped to form its lens. This led to his friends encouraging him to make telescopes and other optical devices commercially.

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