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Post Info TOPIC: Jesse Ramsden FRSE (1735 - 1800)


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Jesse Ramsden FRSE (1735 - 1800)
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Jesse Ramsden FRSE (6 October 1735 - 5 November 1800) was an English astronomical and scientific instrument maker.
Ramsden is responsible for the achromatic eyepiece named after him. He was elected to the Royal Society in 1786. The exit pupil of an eyepiece was once called the Ramsden disc in his honour.

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