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Amgueddfa Cymru – Museum Wales
88.98I/1 (1) A letter from Brierley Rescue Station to W. Hancock of Birmingham University re. Brierley type breathing apparatus. Typed in black ink on off-white, headed paper. Letter dated 11 Nov 1930. 88.98I/1 (2) An A4 brown envelope addressed to W.Hancock of Birmingham University, with 'Brierely Apparatus' handwritten in black ink on the front. Contains two stamps, and is postmarked 11 Nov, 1930. The envelope contained 88.98I/1 (1), (3) and (4) 88.98I/1 (1) - (17) were originally stored together in an acidic card file.
