[METROPOLITAN]. Paris Metropolitan Municipal Railway. Central Section. 4th 5th 6th 7th Lots. S.l., 1899. - Oblong in-4 album, 268 x 367. Burgundy percaline of the time. Precious album of 38 silver photographs of the period of the construction of the subway in Paris in 1899. They are dated February and March 1899, and most of them are captioned in pencil. They concern lots 4 to 7 corresponding to the part located in the centre of Paris (Saint-Paul, Châtelet, Rivoli). The interior and exterior works are represented . The construction of Line 1 began on October 4, 1898. The album opens with a perfectly calligraphic title. This sheet bears the stamp of the "Inventaire de l'ingénieur de la section du centre, Travaux de Paris". These photographs are anonymous and the album appears unique. The set is obviously missing 4 photographs. Almost all of them are numbered at the bottom right. Wear on one hinge.