Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter re. proposed headgear blueprint
Typed details in blue ink on cream paper. Letter re. Thomas Williams & Sons proposed headgear blueprint (for Grovesend Colliery) and reduction of its weight. Not dated.
Pwnc
Diwydiant
Rhif yr Eitem
87.96I/504
Mesuriadau
Meithder
(mm): 250
Lled
(mm): 202
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.