Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mine Gases (booklet)
34 page illustrated booklet, stapled at centre. Content summary - mine gases, historical development of the flame safety lamp, method of examining a lamp, how to test for firedamp, and using portable methanometers to detect firedamp.
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/797
Mesuriadau
Meithder
(mm): 153
Lled
(mm): 215
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.