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1 janv. 1797 - Karl Heinrich Klingert

Description:

He developed a self contained open diving helmet with a double hose used for inhaling and exhaling pressurized air.

Ajouté au bande de temps:

20 oct. 2020
1
0
252

Date:

1 janv. 1797
Maintenaint
~ Il y a 229 ans

Les images: