On 22 May 1957 the BBC produced a live outside broadcast from the railway , during which Wynford Vaughan Thomas and Huw Weldon commentated on a trip from Dolgoch to Abergynolwyn .
On May 22 1957 , the BBC produced a live television program at the railway . Wynford Vaughan Thomas and Huw Weldon road the train from Dolgoch to Abergynolwyn .