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Events on Monday 30 November 1761 2
1706 – 1761John Dollond (1706-1761)Died 30 November 1761, aged 55English optician who patented the achromatic lens, which combines crown and flint glass to remove colour fringing. The design greatly improved telescopes. In the year of his death he was made optician to George III.
1706 – 1761John Dollond (1706-1761)Died 30 November 1761, aged 55English optician who patented the achromatic lens, which combines crown and flint glass to remove colour fringing. The design greatly improved telescopes. In the year of his death he was made optician to George III.