Diving suit pressurizing kit.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...t_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...rizing_kit.jpg
Previously:
https://www.homemadetools.net/forum/...435#post181776
https://www.homemadetools.net/forum/...570#post174132
https://www.homemadetools.net/forum/...110#post172312
https://www.homemadetools.net/forum/...774#post133170
https://www.homemadetools.net/forum/...635#post136442
