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drawing monochrome portrait people Sir Isaac Newton. Mezzotint by J. MacArdell after E. Seeman Credit Wellcome Library London. Wellcome Images imageswellcome.ac.uk wellcomeimages.org Sir Isaac Newton. Mezzotint by J. MacArdell after E. Seeman . By E. Seemnaafter James McArdellPublished Copyrighted work available under Creative