Early car road signs. Historical illustration of fifteen early signs for cars and other road users. The French text indicates that they warn of: steep ascent,steep descent,sharp left and right turns,dips and raised views,bends in the road,dangerous crossings,channels in the road,humpback bridges,road accidents,train crossings,road tunnels,rails projecting onto the road,and a village ahead. Artwork from 'Chemins de Fer,Automobiles' (1911) by French civil engineer Max de Nansouty (1854-1913),part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier |