Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
What is coal? (Article)
Handwritten in pencil on cream (folded) paper. Article/notes entitled 'What is Coal' by R.J. Strong.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.