The distinguished men of science 1807-8: a key to the identities of the sitters. Photograph of engraving by W. Walker, 1862, after Sir J. Gilbert.

Distinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W. Walker and G. Zobel after F. Skill and W. Walker, ca. 1860, after Sir J. Gilbert.

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