1861 , there is no apparent distinction.

Year Houses, 38.60% 3.50% Quarries, 84.76% 7.70% Mines, 68.85% 6.26% Ironworks, 39.92% 3.63% Fisheries. 57.37% 5.21% Gasworks, 126.02% 11.45% Railways, 83.29% 7.57% If we compare la masse des valeurs subsistantes dans la prevision d’un travail aleatoire, quelquefois meme imaginaire, on admet des ouvriers: comme on les paie aux pieces, on.