Lithographed.
Dated (page 168): "Marseille ce 15 Septembre 1874."
"Les (rails mobiles tournants) sont un chemin en acier excessivement roulant, placeÌ audessus de chemins impraticablen."
Reproduction of the original from the Goldsmiths' Library of Economic Literature, Senate House Library, University of London.
Shelfmark number: [G.L.] Il.874 fol.