Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ventilation for dust control in headings (booklet)
National Coal Board Mining Department
(printer)
Waterlow & Sons Ltd.
(printer)
24 page booklet with green covers, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/784
Creu/Cynhyrchu
1978
Rôl: publisher
Rôl: printer
Cyfnod:
1978
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 148
Lled
(mm): 105
Deunydd
cerdyn
papur
metel
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.