Date: 1862
E. Watkins, Esq., " London and North Western Railway, "Euston Station, London."  The locomotive referred to as " the very first worked by steam-power ever constructed," was also successfully tried in presence of tens of thousands of spectators in the summer of 1803 in London, in the vicinity of the present Bethlehem Hospital, and the neighbourhood or site of Euston Square.  These trials were on the common roads ; but shortly after wards, "in 1804, one of these locomotive engines was in use at a mine in Merthyr Tydvil, in South Wales, and drew on a tramroad as many carriages as contained about 10£ tons of