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• Identified! [Underwater breathing devices: "Dräger Gegenlunge" (left), "Momseng Lung" (center), and "Davis Submerged Escape Apparatus" (right)] (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 11 comments
  • 51 favorites
  • 23,661 views
  • Date taken: 1936
  • Date uploaded: 2015-10-02
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnphec33983, xmlns:dc=httppurlorgdcelements11, momsenlung, rebreather, submarineescape, mysterysolved
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