At the same time he was employed by Jean-Baptiste Kranz to assist him in the design of the exhibition hall for the Exposition Universelle which was to be held in 1867.
Njegovo delo je vzbudilo pozornost številnih ljudi, tudi Stanislasa de la Roche Toulaya, ki je pripravil zasnovo za kovinski most v Bordeauxu, Jean Baptiste Krantza in Wilhelm Nordlinga.