Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Some further developments in underground Belt Vulcanising (leaflet)
Supplement to Information Bulletin No. 50/19. Information Bulletin No. 52/69. 2 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2018.42/56
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 204
Dosbarth
underground transport (coal)Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.