A British medical professional, Nahaniel Henshaw, proposed what would've been the 1st hyperbaric chamber for healthcare treatment of human beings in 1662. The metal container was to happen to be pressurised with air, which at the time wasn't but acknowledged to contain oxygen, later on uncovered by Carl Wilhelm Scheele https://oxygenchamberprice43851.blogchaat.com/36592998/5-simple-techniques-for-oxygen-therapy-cost-in-mumbai