Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Jenkins alternating bend tester, instruction sheet
Full title - The Jenkins Alternating Bend Tester. Standard Figures for Tinplate and Blackplate .040 Jaws. Number of Bends required to Fracture. Black print on both sides of sheet of thin card.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.