Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
W.G. Allen & Sons Ltd. colliery equipment drawings
Engineering Drawing Patent Omega flat bottom tub with steel underframe 38 cu.ft. capacity (Body Patent No.401015) Drg.No.18304/C May 1949 Scale : 3" to 1 foot
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.