Chemin de fer de Toulouse à Bayonne. Pont de l'Aran (en trois arches de 17m d'ouverture chacune). Situation des travaux au 21 juillet 1861
1861 · albumen print from collodion negative
Image: 31.1 x 43.2 cm (12 1/4 x 17 in.)
Cleveland Museum of Art

Édouard Baldus was a French photographer who used large-format calotype and collodion processes to document architectural monuments, railway infrastructure, and Mediterranean landscapes with engineering precision and aesthetic rigor. Active from the 1840s onward, his systematic surveys of French cultural heritage established photography as a dual instrument of technical record and visual inquiry. His work influenced the trajectory of documentary photography across nineteenth-century Europe.
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