Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Article
Article 'Automatic Decking Plant at the Great Western Colliery Company's No.1 Pit Trehafod'. Reprint from The Iron and Coal Trades Review 17 December 1926. Cream cover with details printed in black ink. 8 pages with 2 black & white photographs and 2 diagrams.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.