Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Glossary of Mining Terms 'Drilling and Blasting' Section (booklet)
Full title - 'Draft British Standard Glossary of Mining Terms 'Drilling and Blasting' Section'. 12 pages with additional six pages of drawings.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.