Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Slate inclines, film slide
Collection of slides forming lecture "Rails in the Slate Industry" by D.R. Geering, UMIST 3rd year Mechanical Engineering Projects, c.1975 (copy of lecture notes in related material).
The cutting on the right was known as the "Khyber Pass". Notice the blasting shelter, bottom left.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.