Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
A Completely Mechanical Means of Belt Preparation (leaflet)
Content summary -details and illustrations of conveyor belt preparation machines manufactured by Hayden-Nilos Ltd, Sheffield. Reprinted from Colliery Guardian, May 26, 1960. Printed on four sides of folded sheet of paper.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.