193 was used by the NCB at the Tar distillation plant, Wernddu, Caerphilly; it was scrapped in January 1960.[2] 194 was also used at Wernddu Tar plant, and was scrapped at Swindon.[3]
Davies, F. K.; Firth, J. M.; Lucking, J. H.; Thomas, R. E.; Allcock, N. J.; Sterndale, A. C.; Barrie, D. S. M.; Reed, P. J. T.; Mountford, E. R. (April 1966). White, D. E. (ed.). The Locomotives of the Great Western Railway, part ten: Absorbed Engines, 1922–1947. RCTS. ISBN0-901115-20-7. pp. K169–K171
^"GWR Class Taff Vale Class H 0-6-0 Tank". RailUK.info. 27 October 2002.
^"picture of 193 at Wernddu". Mike Morant Collection.
^"picture of 194 awaiting scrapping". Mike Morant Collection.