Daguerreotypus
Ratio daguerreotypica, etiam daguerreotypia, anno 1839 introducta, fuit prima ratio photographica aperte vulgata et prima quae late usurpabatur. Recentiores autem rationes, melius emptae et imagines facilius visas facientes, ante decennium 187 ineuns eam paene omnino substituerat. Parva redintegratio inter photographos qui rationibus historicis student ante 1990 coepit et iam perstat.

Imago in lamina metallica argenteata formata est, quod usitate aes erat, sed orichalcum etiam adhibebatur. Lamina in luce hebete fumis halogeni exposita (praecipue iodi, sed etiam bromum et chlorum adhiberi solebantur) ad machinam photographicam per formam lucis securam transportabatur. Tum imago latens, in machina exposita, in cella obscura binis rationibus evolvi potuit, laminá aut ad fumos hydrargyri calefacti, aut, pro laminis solum iodum sentientibus, ad radios solares per colum rubrum expositá. Sensus laminae quod ad lucem spectat tum inhibitus est, laminá in solutione salis communis vel thiosulphatis sodii lavatá. Ad calificiendum ingenium et ad conservanda particula imaginis, lamina in solutione chlorido auri in superficie dilatata calefacta est. Superficies imaginis etiam inaurata fuit delicatissima, unde opus fuit laminam in saeptimento luminis securam coacervare.

Distinctissima photographematis daguerreotypici proprietas aspectabilis est quod imago in clara argentei veri superficie speculi simili apparet, quae aut positiva aut negativa videtur, secundum statum lucis et num scaena clara aut obscura a metallo laminae percutitur.

Pinacotheca 

 Daguerreobasis
 Iosephus Philibertus Girault de Prangey

Adnotationes

Bibliographia 
 Barger, Susan M., et William B. White. 1991. The Daguerreotype: Nineteenth-Century Technology and Modern Science. Vasingtoniae: Smithsonian Institution Press.
 Coe, Brian. 1976. The Birth of Pphotography: The Story of the Formative Years, 1800–1900. Londinii: Ash & Grant. ISBN 0-904069-06-0.
 Davis, Keith F., Jane Lee Aspinwall, et Marc F. Wilson. 2007, The Origins of American Photography: From Daguerreotype to Dry-Pplate, 1839–1885. Kansas City Missuriae: Hall Family Foundation. ISBN 978-0-300-12286-2.
 Gernsheim, Helmut, et Alison Gernsheim. 1968. L. J. M. Daguerre: The History of the Diorama and the Daguerreotype. Novi Aboraci: Dover Publications. ISBN 0-486-22290-X.
 Hannavy, John. 2005. Case Histories: The Presentation of the Victorian Photographic Portrait 1840–1875. ISBN 1-85149-481-2.
 Hill, Levi L. 1850. A Treatise on the Daguerreotype: The Whole Art Made Easy.
 Kenney, Adele. 2001. Photographic Cases Victorian Design Sources 1840–1870. ISBN 0-7643-1267-7.
 Lowry, Bates, etnd Isabel Lowry. 1998. The Silver Canvas: Daguerreotype Masterpieces from the J. Paul Getty Museum. Angelopoli: The Museum. ISBN 0-89236-368-1.
 Newhall, Beaumont. The Daguerreotype in America. Dover Publications. ISBN 0-486-23322-7, ISBN 978-0-486-23322-2.
 Pfister, Harold Francis. 1978. Facing the Llight: Historic American Portrait Daguerreotypes: An Exhibition at the National Portrait Gallery, September 22, 1978–January 15, 1979. Vasingtoniae: Smithsonian Institution Press.
 Richter, Stefan. 1989. The Art of the Daguerreotype. Londinii: Viking. ISBN 0-670-82688-X.
 Rudisill, Richard. 1971. Mirror Image: The Influence of the Daguerreotype on American society. Albuquerque: University of New Mexico Press.
 Sobieszek, Robert A., Odette M. Appel-Heyne, et Charles R Moore. 1976. The Spirit of Fact: The Daguerreotypes of Southworth & Hawes, 1843–1862. Bostoniae: D. R. Godine. ISBN 0-87923-179-3.
 Wood, John. 1991. America and the Daguerreotype. Iowa City: University of Iowa Press. ISBN 0-87745-334-9.
 Wood, John. 1995. The Scenic Daguerreotype: Romanticism and Early Photography. Iowa City: University of Iowa Press. ISBN 0-87745-511-2.
 Wood, R. Derek. 1997. A State Pension for L. J. M. Daguerre for the secret of his daguerreotype technique. Annals of Science 54(5):489–506.

Nexus externi 

 Daniel, Malcolm. Daguerre (1787–1851) and the Invention of Photography.
 Daniel, Malcolm. The Daguerreian Age in France 1839–1855
 "Historique et description des procédés du daguerréotype rédigés par Daguérre, ornés du portrait de l'auteur, et augmentés de notes et d'observations par MM Lerebours et Susse Frères, Lerebours, Opticien de L'Observatoire; Susse Frères, Éditeurs. Paris 1839," gallica.bnf.fr
 "The Daguerreotype: Photographic Processes," blog.eastmanhouse.org
 Early Photography: Making Daguerreotypes, www.getty.edu
 Musée Orsay, www.musee-orsay.fr
 Ratio daguerreotypica, www.photohistory-sussex.co.uk 
 Primum photographema, cool.conservation-us.org
 Usus bromi in daguerreotypia, www.daguerreotypearchive.org

Inventiones Franciae
Photographia
1839