A British medical doctor, Nahaniel Henshaw, proposed what might have been the 1st hyperbaric chamber for medical treatment of humans in 1662. The metal container was to happen to be pressurised with air, which at the time was not nevertheless identified to contain oxygen, later on discovered by Carl Wilhelm https://oxygenchamberstokeontrent95061.blogzag.com/79943038/cost-of-oxygen-therapy-things-to-know-before-you-buy