In 1855, Alphonse Poitevin improved his photolithographic process and utilized it in his studio until 1857. On October 27, 1857, for reason of poor management of business, Lemercier bought Poitevin’s studio and patent, and used photolithography in his printing house. They created a collective society for the utilization of the process. The profits were split down the middle. The society was later divided in February 1867. Corine Bouquin and Sylvie Aubenas showed that the use of the patent would unfortunately reveal itself barely profitable, the stress of which put the two men at odds with each other. In 1859, Poitevin began legal proceedings against Lemercier for not having put the complete title “Procédé Poitevin” on the bottom of the plates, instead putting only “P. Poitevin,” and for paying less than the full cost of the patent. The judge ruled in January 1860, in favor of Poitevin.
Le Sérapéum de Memphis by Auguste Mariette, is one of only a few rare books illustrated by Poitevin’s photolithographic process .Le Sérapéum de Memphis describes the Egyptian collections in the Louvre originating from that famous site. In his preface to this sumptuous work, Mariette sings the praises of photolithography, of thanks to which "the images are taken, without the intermediary of the pencil, directly from the monuments themselves".
Le Sérapéum de Memphis by Auguste Mariette in 1857, created from Charles Marville’s and Paul Berthier’s negatives (30 plates) with help from Théodule Charles Devéria (see Hannanvy/Bajac p 414)
Addleman-Frankel, Kate, Saskia Asser, and Édouard Baldus. After Photography?: The Photogravures of Édouard Baldus Reconsidered. , 2018. fig. 5.
Hannavy John. 2008. Encyclopedia of Nineteenth-Century Photography. New York NY: Routledge. Laure Boyer P. 844
Auer, Michel and Michelle Auer, Encyclopédie internationale des photographes de 1839 à nous jours, Paris, Camera obscura,1985.
Bouquin, Corinne, Recherches sur l’imprimerie lithographique à Paris au XIXe siècle, L’imprimerie Lemercier (1803–1901), PhD dissertation, University of Paris I, December. 1993.
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PhD dissertation, Evanston, Illinois, June 1988.e.
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