Jules Duclos (c.1820-1899) Work on the Bretagne and Vendée lines. Compagnie du Chemin de fer d'Orléans, 1865-1866. Port Launay viaduct. Pont-de-Buis viaduct. Châteaulin to Landerneau line. Four albumen prints, from collodion glass negative, mounted on cardboard with handwritten legends in ink on the mounts. Medium format: 35 x 25 cm