Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Galloway Tandem Gas Engine, plan
Plan Title - "Arrangment of Galloway Tandem Gas Engine". Possibly a "Ehrhardt and Sehumer Patent". Plan Ref No. 1552.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.