| Daguerreian Texts: Science and processes  |
"A New mode of conducting the Daguerreotype Process" by W. H. Stanley Crawford. From the Journal of the Photographic Society of London of September 1854. |
"Observations" An account by Golding Bird including a description of Daguerre's paper-based experiments. From the Journal of the Franklin Institute of Septmenber 1839. |
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