Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ty Trist Colliery, plan
Plan of proposed coke ovens etc. at South end of washery, Ty Trist Pits. Scale 16 feet to an inch. Drawing No TCOS9 7027.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.