Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Dowlais Works, output data
Handwritten in pencil and black ink on off-white, lined paper. Output data for week ending August 16th (year not stated).
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.