Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Technical drawing
Full title: 'Project for Magnetising and Magnetic Separation of Non-Magnetic Iron Ore.' Scale 1:100 Black print on cream paper (dyeline??)
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/689
Mesuriadau
Meithder
(mm): 679
Lled
(mm): 1114
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.