'Pont pres le Fort L'Ecluse', c 1865.
© National Media Museum / Science & Society Picture Library
Photograph of a suspension bridge crosing the River Rhone near Fort L'Ecluse in the French Alps, taken by Joguet et Fils. Muzet Joguet ran a studio based in Lyon, France, during the 1860s. The studio specialised in topographic photographs and documentary studies of civil engineering works.