A British medical professional, Nahaniel Henshaw, proposed what would have been the primary hyperbaric chamber for medical treatment of human beings in 1662. The steel container was to have been pressurised with air, which at enough time was not but recognised to have oxygen, later learned by Carl Wilhelm Scheele https://cruzdvgqz.theideasblog.com/37012165/the-best-side-of-hyperbaric-oxygen-chamber-cost