Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Air-Movers for Positive Ventilation of Return Stable-Holes (booklet)
National Coal Board
(printer)
A.N. Gould & Co. Ltd.
(printer)
Full title - Notes of Guidance on the Use of Air-Movers for Positive Ventilation of Return Stable-Holes on Power Loaded Longwall Faces. 7 page booklet in blue covers, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/741
Creu/Cynhyrchu
12/1964
Rôl: publisher
Rôl: printer
Cyfnod:
12/1964
Derbyniad
donation, 1/2/2001
Mesuriadau
Meithder
(mm): 204
Lled
(mm): 126
Deunydd
papur
metel
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.