Photogenic drawing, or, Drawing by the agency of light

A critical review of four works: 1. History and practice of photogenic drawing, or, The true principles of the daguerreotype, by the inventor, L.J.M. Daguerre, translated by J.S. Memes (London, 1839) -- 2. Some account of the art of photogenic drawing, or the process by which natural objects may be made to delineate themselves without the use of the artist's pencil, by Henry Fox Talbot (London, 1839) -- 3. Die calotypische Portraitirkunst, von Dr. F.A.W. Netto (Quedlingburg und Leipzig, 1842) -- 4. Ueber der Process des Schens und die Wirkung des Lichts auf alle Korper (Poggendorf Annalen der Physik und Chemie, Band LVI, 1842, No. 6).