Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Collection of tech. drawings re pit props
Engineering Drawing - Blueprint Copy of provisional specification relating to reusable props for support of roofs No. 34306, Nov 28
Pwnc
Diwydiant
Rhif yr Eitem
87.156I/11
Mesuriadau
Meithder
(mm): 535
Lled
(mm): 661
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.