Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Coal Its Origin and Occurence (booklet)
21 page illustrated booklet, stapled at centre.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
21 page illustrated booklet, stapled at centre.