1750 John Dolland inventor lens glasses

Numéro d’image : 11733466
1750 John Dolland inventor lens glasses
John Dollond June 1706 - 30 November 1761. Tinted copperplate engraving from "The Gallery of Portraits" by Posselwaite 1837,hand coloured after painting by Benjamin Wilson. A Fellow of the Royal Society and English optician,famous for his commercialisation of achromatic doublets in glasses. Though other scientists had produced such lenses before it was Dollond who exploited them commercially and this point was key in upholding a patent made by his son after his father's death. John Dollond appears to have refrained from seeking patent himself as he knew he did not have priority on the invention. The family company survives as Dollond and Aitchison to this day
Licence : Droits gérés
Crédit: Science Photo Library / Stewart, Paul D.
Taille de l’image : 3744 px × 5083 px
Model Release : Non requis
Property Release : Non requis
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