Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ferro-Manganese Chart (graph)
Two copies of a graph attached with a paperclip. Original is hand drawn in black ink on red lined, waxed graph paper. The other is a dyeline copy of the original on cream paper. Graph entitled 'Ferro-Manganese Chart'.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/585
Mesuriadau
Meithder
(mm): 208
Lled
(mm): 182
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.