Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Llanbradach Colliery, cost sheet
Pre-printed columns, printed in blue and pink ink. Details filled out by hand in black ink. Llanbradach Colliery, Cost Sheet 9ft Seam week ending, 9 Feb 1929.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.