Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Colliery and Mining Requisites (booklet)
Content summary - details of mining products and machinery manufactured by Hadfields Ltd, Sheffield. 48 pages, illustrated throughout.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.