OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY
Peter Dollond, optician, c1800. This engraving was published in the European Magazine in 1820. Dollond worked with both his father John Dollond and uncle George Dollond. In 1765 he invented the triple achromatic lens by combining two convex lenses of crown glass with one double-concave lens of flint glass. In 1758 he presented his achromatic telescope to the Royal Society and was awarded the Copley Medal. He improved the astronomical refracting telescope and navigation instruments.
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