A British physician, Nahaniel Henshaw, proposed what might have been the first hyperbaric chamber for healthcare treatment of human beings in 1662. The metal container was to are already pressurised with air, which at some time was not still known to incorporate oxygen, later discovered by Carl Wilhelm Scheele all https://hyperbaric-oxygen-chamber18395.spintheblog.com/36907019/5-simple-techniques-for-oxygen-therapy-cost-in-mumbai