View Catalog: NATP00004

Catalog Name NATP00004
Document MS Add. 3975, pp. 1-22
Title 'Of Colours'
Author Isaac Newton
Place of Origin England
Origin Date 1665-6
Repository Cambridge University Library (Cambridge)
Wordcount 7,664
Language English;Latin;

An illustrated account of Newton's first ventures into optical experimentation. Using his own eyes as subjects, he seriously risked blinding himself with experiments such as staring directly into the sun or poking a small knife into his eye socket to see what effect this would have on his visual perceptions. Astonishingly, his eyesight remained excellent until his death at the age of over eighty.

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