This is a replica of that machine which drew widespread recognition of the potential for rail traction of Trevithick 's high - pressure steam engine .
Richard Trevithick 's Penydarren Locomotive was constructed in 1804 and was operated by the Merthyr Tramroad .
This is a replica of that machine which drew widespread recognition of the potential for rail traction of Richard Trevithick 's high - pressure steam engine .
Richard Trevithick 's Penydarren Locomotive was constructed in 1804 and was operated by the Merthyr Tramroad .