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).
A inclines on the left, B inclines in the centre. Notice the slate retaining walls higher up on the B levels.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.