Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Self-contained breathing app. in hot mines,article
15-page article, typed in black ink on thin, off-white paper."The Use of Self-Contained Oxygen Breathing Apparatus in Hot Mines" by Dr.Ing. Franz Hollman. 88.98I/4 (1) - (3) were originally contained within an acidic card folder.
Pwnc
Diwydiant
Rhif yr Eitem
88.98I/4 (1)
Derbyniad
Collected officially, 1988
Mesuriadau
Meithder
(mm): 337
Lled
(mm): 209
Deunydd
papur
Lleoliad
In store
Dosbarth
health and safetyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.