Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Setting Supports Underground (booklet)
23 page booklet with blue covers, stapled at centre. Issued in compliance with the Mines and Quarries Act 1954, Section 54 (6).
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/755
Creu/Cynhyrchu
National Coal Board
C.J. Petyt Ltd
Dyddiad: unknown date
Derbyniad
Donation, 1/2/2001
Mesuriadau
Meithder
(mm): 112
Lled
(mm): 180
Deunydd
papur
metel
Lleoliad
In store
Dosbarth
roof supportNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.