Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Quarries, general regulations, inspection reports
Full title : Quarrie General Regulations, 1938. Reports of Inspections 1955-1956.
Black print with details filled out by hand. Inspection of "all machinery and moving parts of structural hoist". Reports of inspections of bridges at end not filled in. Probably from Dinorwic Quarry.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.