A British medical doctor, Nahaniel Henshaw, proposed what might have been the main hyperbaric chamber for medical treatment of people in 1662. The metal container was to happen to be pressurised with air, which at enough time wasn't nevertheless known to incorporate oxygen, later on identified by Carl Wilhelm Scheele https://oxygen-chambers-for-heali62738.dbblog.net/9667670/details-fiction-and-hyperbaric-chamber-cost-uk