Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Working Group on Mining Systems and Roadway Supports (booklet)
National Coal Board Mining Department
(Publisher)
Full title - Working Group on Mining Systems and Roadway Supports. Advance Headings. Addendum to Report of August 1967. 5 page booklet in blue covers.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/936
Creu/Cynhyrchu
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 300
Lled
(mm): 212
Deunydd
Card
Paper
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Eitemau cysylltiedig
Diwydiant
Big Pit Colliery, slide
Photographer: National Museum of Wales
(20th century, late)
2017.6/365