Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Nantyffryn Coal, Test
Single page. Test of Nantyffryn Coal, duration of test was 12 hours.
Typed in ink on cream paper. With heading underlined in red and a red line drawn after the test results.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/1622
Derbyniad
Bequest, 8/9/1986
Mesuriadau
Meithder
(mm): 254
Lled
(mm): 203
Deunydd
papur
Lleoliad
In store
Dosbarth
quality controlNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.