The following numbers were allocated to an order from Priestman Bros Ltd for 2 Pontoons and 2 Barges.
Ship No 230 was for a Pontoon of 31 tons with a length overall of 38 feet with beam of 18 feet 6 inches.
Ship No 231 was for a Barge of 85 tons with a length overall of 85 feet and a beam of 21 feet.
Ship No 232 was for a sister Barge of the same size.
Ship No 233 was for another Pontoon of 20 tons that had a length overall of 33 feet and a beam of 18 feet.