Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Elliot Colliery, engineering drawing
Ink drawing on blue waxed paper with handwritten title at centre of bottom edge and a handwritten detailed 'Specification' written across top centre of drawing.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.