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Table 1 from Redesign of an Open-System Oxygen Face Mask With Mainstream Capnometer for Children | Semantic Scholar
Armenian Youth Federation - Arthur Bulbulian invented the A-14 oxygen mask used in WWII by the US Army and Air Force. #TurkeyFailed #100DaysofAction #ArmenianGenocide #ArmedForces #WWII | Facebook
![Black Inventor Garrett Morgan Saved Countless Lives with Gas Mask and Improved Traffic Lights - Scientific American Black Inventor Garrett Morgan Saved Countless Lives with Gas Mask and Improved Traffic Lights - Scientific American](https://static.scientificamerican.com/sciam/cache/file/98D31FC7-F6CF-4348-AFD100282E1A5CDC_source.jpg)
Black Inventor Garrett Morgan Saved Countless Lives with Gas Mask and Improved Traffic Lights - Scientific American
![Dr. W. Randolph Lovelace with his invention, the high altitude oxygen mask, 1938 - Museum of History and Industry - University of Washington Digital Collections Dr. W. Randolph Lovelace with his invention, the high altitude oxygen mask, 1938 - Museum of History and Industry - University of Washington Digital Collections](https://digitalcollections.lib.washington.edu/digital/iiif/imlsmohai/5607/full/full/0/default.jpg)