Advert Google Books This was published in "A Full Description of te Daguerreotype Process: As Published by M. Daguerre." (New York: for sale by J.R. Chilton, 1840) - which was extracted from "The American Repertory", edited by Prof. J.J. Mapes.
Note that it was J.R. Chilton, Practical Chemist, who published the translated manual.
