Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Measurement of Coal (article)
Extract from a paper by Mr J.E. Lea, reprinted from The Engineering and Boiler House Review, February 1926. Four sides of one folded sheet of paper.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/528
Derbyniad
Old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 292
Lled
(mm): 218
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.