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A letter and a memorandum. The letter is typed in black ink on white paper from the under secretary for mines, regarding the memorandum. Printed on Mines Department headed paper. The memo is typed in black ink of off-white paper. Two pages secured by a staple. The memorandum and the letter are secured together with a paperclip. Mines Rescue Memorandum No.9, 1934. re. the approval of breathing apparatus. All documents with the accession number 88.98I/6 were originally held in an acidic card file.
