 The Ffestiniog Railway in Wales still uses Fairlie patent locomotives to this day; it has two double Fairlies and one single Fairlie in running condition.The most recent double Fairlie locomotive, "David Lloyd George", was built in 1992 in the Ffestiniog's own Boston Lodge works.The veteran "Merddin Emrys" of 1879 was the first engine to be built at Boston Lodge.