Acid Wagon

A wartime sulphuric acid tanker-wagon, another one of the old steam-railway wagons kept by the "M-Shed" Bristol Industrial Museum.

I have got stacks of marking to do; it occupied all of this week and will do so next week too. My desk is piled high with essays and dissertations. I am starting to think that if I had this much sulphuric acid, I could make all the marking go away very quickly...