Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Brynlliw Colliery. Arch Handling in Unit Loads (booklet)
Full title - National Coal Board South Wales Area. Mining Bulletin No.6. Brynlliw Colliery. Arch Handling in Unit Loads Through Shaft of 13ft. 6ins Diameter. 20 page illustrated booklet. Yellow covers and plastic binding.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.