Brook Airway for direct artificial respiration, in box with instructional leaflets, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by The British Oxygen Co. Ltd, London, England, 1970-1990
Brook Airway for direct artificial respiration, in box from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by The British Oxygen Co. Ltd, London, England, 1970-1990
Three leaflets titled "First Things", "The New Brook Airway" and "Artificial Respiration" from Brook Airway for direct artificial respiration from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by The British Oxygen Co. Ltd, London, England, 1970-1990
Two paper leaflets with diagrams, from Brook Airway for direct artificial respiration from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by The British Oxygen Co. Ltd, London, England, 1970-1990
