Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Dinorwic or Velinheli Slates (brochure)
Company publication promoting Dinorwic Quarries. Text and photos. promote the extraction process and the quality of the slate produced with emphasis also on transportation of the slate via rail and sea. 38 pages with black and white photographs throughout.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.