A lovely "Collectors Copy" of the scarce First Edition in original publishers buckram t.e.g.Large 8vo.xvi 271pps.Tissue guarded frontis portrait 10 inserted plates as called for.Tom Wedgwood was the son of Josiah Wedgwood the potter & industrialist and the grandfather of Emma and Charles Darwin.His experiments with photography were shared with his friends Samuel Taylor Coleridge and Humphrey Davy with whom he co-authored the book"An account of a method of copying paintings upon glass and of making profiles by the agency of light upon nitrate of silver.