Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Wales Gas Board, slide
General view of interior of classroom, October 1970.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
General view of interior of classroom, October 1970.