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Photograph

Divers Testing New Breathing Mixture in a Revolutionary Dive Suit

Date: 1937
Description: John Craig, Max Gene Nohl (seated in the dive suit), Dr. Edgar End and a fourth unknown person looking in. The location is the Milwaukee County Emergency H...
Photograph

Divers Testing New Breathing Mixture

Date: 1936
Description: Dr. Edgar End, Max Gene Nohl and John Craig (the "human guinea pigs") are shown inside the decompression chamber located at the Milwaukee County Emergency ...

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