Models of wagons associated with the production and transport of Pintsch gas on the VR / Model Gallery / By VMRS These models are built in 4mm scale, running on 20mm gauge track. 24 Q; Travelling store holder with pump house 27 Q Travelling store holder Pintsch Refuse Tank; carried sludge from the manufacturing process to the tip Shale Oil Container: Shale oil from NSW used when there was a shortage of petroleum during the Great War