Military exercise at the Longchamp Hippodrome, Bois de Bologne. 1857. Albumen print, mounted to card. 19,1 x 21,7 cm (mount 32,6 x 48,5 cm). Annotated "On fait sortir les curieux du terrain de maneuvres" in black ink below the image on the mount; photographer’s blindstamp in lower left corner of the print and below the image on the mount.