Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Gresly papers
Moroon hardback cover. Inside the book is a collection of articles, journals and notes bound together. Re. comparative methods of working coal in America and Britain in the 1890's with particular reference to anthracite.
Pwnc
Diwydiant
Rhif yr Eitem
1997.213/1
Mesuriadau
Meithder
(mm): 285
Lled
(mm): 225
Uchder
(mm): 25
Dosbarth
education and trainingNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.