Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Blast furnace gas burner agglomeration plant (pln)
Hand drawn in pencil on cream paper. Some details are coloured in blue and red pencil. Plan of blast furnace gas burner agglomeration plant (not to scale).
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.