Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Gwaun-Cae-Gurwen Colliery, blueprint
Blueprint titled 'Proposed Screening & Sizing Plant for Messrs Gwaun Cae Gurwen Colliery Co.' No. A1613. Dated 30 June 1925.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.