Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
N.C.B. South Wales Penallta Colliery (leaflet)
Leaflet : one sheet folded, 4 b/w photos Promotional history of the colliery with statistical table of output, manning, shaft depths etc.
Pwnc
Diwydiant
Rhif yr Eitem
92.12I/58
Mesuriadau
folded
(mm): 135
folded
(mm): 215
unfolded
(mm): 500
unfolded
(mm): 215
Dosbarth
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