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Early experimental French diving suit, ~1882 AD
(lemmy.dbzer0.com)
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this post was submitted on 07 Sep 2023
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I wonder how the got the seals tight. So many joints with some old technology. When they have atmospheric pressure, they can’t work with overpressure keeping the water out, as the ocean will be the overpressure trying to push the water in. 🤔
Wouldn’t trust this thing my life. :)
One of the key reasons this one never took off - they could never get it completely waterproof. Such is the fate of early prototypes!