Media type: E-Article Title: Mrs. Sargent, Mr. Copley, and the Empirical Eye Contributor: Lovell, Margaretta M. Published: University of Chicago Press, 1998 Published in: Winterthur Portfolio, 33 (1998) 1, Seite 1-39 Language: English DOI: 10.1086/496731 ISSN: 0084-0416; 1545-6927 Keywords: Museology ; History ; Visual Arts and Performing Arts Origination: Footnote: