As a result , the nonconformist radical , Henry Richard , was returned as senior member for Merthyr , an important watershed in Welsh political history .
This was particularly true of Merthyr where the electorate was increased tenfold to 14,577 .
The nonconformist radical , Henry Richard , was returned as senior member for Merthyr , an important Merthyr in Welsh political history .
This was particularly true of Merthyr where the electorate was increased tenfold to 14,577 .