Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mines Rescue Service, memorandum
Typed in black ink on off-white paper. Some sections are underlined using red ink. Mines Rescue Memorandum No.12, 1937. re. tests of carbon steel cylinders used with breathing apparatus and reviving apparatus. All documents with the accession number 88.98I/6 were originally contained together in an acidic card file.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.