A British medical doctor, Nahaniel Henshaw, proposed what would have been the primary hyperbaric chamber for professional medical treatment of human beings in 1662. The steel container was to are actually pressurised with air, which at the time was not nevertheless known to have oxygen, later identified by Carl Wilhelm https://titusjszzb.theideasblog.com/36967153/oxygen-therapy-cost-in-india-things-to-know-before-you-buy