A British medical doctor, Nahaniel Henshaw, proposed what would have been the main hyperbaric chamber for health-related treatment of humans in 1662. The steel container was to are pressurised with air, which at time wasn't still acknowledged to comprise oxygen, afterwards found by Carl Wilhelm Scheele all over 1770 and https://angelojrzgp.bloggerswise.com/44099220/oxygen-chambers-for-sale-an-overview