Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mine Gases (booklet)
Content summary - mine gases, historical development of the flame safety lamp, method of examining a lamp, how to test for firedamp, and the types of devices used to detect firedamp. 32 page illustrated booklet, stapled at centre.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/563
Creu/Cynhyrchu
National Coal Board
W.S. Cowell Ltd.
Dyddiad: 1971
Derbyniad
Old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 152
Lled
(mm): 215
Deunydd
papur
cerdyn
metel
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.