Rebreathers in 1903?

[seekerGH]

 

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[FISHEYE]

That Oxylithe sounds like todays zeolite that they use in oxygen concentrator machines.If you get it wet it will catch fire.

 

[trikikiwi]

Lithium Hydroxide loves absorbing Carbon Dioxide. Speaking from experience.
Perhaps a connection here, with the letters 'lith' in the name.

 

[seekerGH]

If you get the media in your rebreather wet, you have far more problems than fire!