Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Treble Ram Pump, plan
Treble Ram Pump, driven by Pulleys & Gearing Ram 4½" Stroke 6" Scale 1½ inches = 1 foot. November 2nd 1921
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.