Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Flow diagram of Brierely Type breathing apparatus
A blueprint of a 'Flow Diagram of Aerophor Improved Brierely Type Breathing Apparatus'. Was contained within the envelope 88.98I/1 (2) 88.98I/1 (1) - (17) were originally stored together in an acidic card file.
Pwnc
Diwydiant
Rhif yr Eitem
88.98I/1 (4)
Derbyniad
Collected officially, 1988
Mesuriadau
unfolded
(mm): 910
unfolded
(mm): 580
folded
(mm): 191
folded
(mm): 290
Techneg
blueprint
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.