The top picture shows an interesting rounded-top dustbin cupola on top of the roof ventilator - has anyone ever seen a photo of a real St Chamond wearing such an addition? Anyone know if it is actually a cupola?
There is an image on this forum (I think). If my memory has failed (quite possible) then it's on the French 14-18 forum of a Saint-Chamond with the dummy cupola.
Again from memory the dummy cupola was tested by a single tank unit for a short period of time - the trial was not repeated and the dummy cupola not