Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Collection of wall charts re iron & steelmaking
Four Ways of making Steel : open hearth furnace, high frequency induction furnace, electric arc furnace and Bessemer converter, 1961.
Pwnc
Diwydiant
Rhif yr Eitem
87.148I/31
Mesuriadau
length (mm):
width (mm):
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.