[Drawn in?] stone by A. Newsam; P.S. Duval, Lith. Phil.; Noted on verso: "photographic copy of original engraving";; Early photographic reproduction of lithograph, mounted on cardboard. Title text forms part of original lithograph. Additional caption, below image, handwritten: Professor Natural Philosophy & Chemistry, 1828 to 1844.; Photograph
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
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