AMONG some of the most interesting Railfreight-era wagons to model are two-axle air braked wagons designed to carry chemical liquids, mineral slurries and gasses such as sulphuric acid, caustic soda liquor, carbon dioxide, propane and chlorine. China clay and calcium carbonate slurry traffic added interest to the scene when caustic soda liquor wagons were transferred to china clay traffic.
Tank wagons remain the least modelled type in ‘N’ gauge by manufacturers, despite the fact they would be popular additions to Railfreight-era themed layouts. It was not unusual for them to be worked in short block trains, mixed in trains of other wagons in singles, pairs or small blocks, or worked in short feeder trains of the Speedlink period.
With so little support from manufacturers beyond petroleum tank wagons, how can some variety be introduced to an ‘N’
