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Inside the Hospital Lock

Hospital locks like this one were used during tunnel construction to help people suffering from "the bends."

 

Rendering by A. Weindorfer

1920

757 views
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Uploaded on December 1, 2016

Inside the Hospital Lock

Hospital locks like this one were used during tunnel construction to help people suffering from "the bends."

 

Rendering by A. Weindorfer

1920

757 views
0 faves
0 comments
Uploaded on December 1, 2016
Public domain