Who invented the oxygen mask?

Related questions

1. What is the difference between oxygen mask and nebulizer mask?
2. How much does an oxygen mask cost?
3. What is the difference between non rebreather mask and partial rebreather mask?
4. Do oxygen tanks explode?
5. What is the difference between a Venturi mask and a non rebreather?
6. What diagnosis qualifies for home oxygen?
7. Is Oxygen good for the skin?
8. What is an oxygen mask used for?
9. Do oxygen concentrators need maintenance?
10. How many liters of oxygen do you need for a non rebreather mask?

Tags

1. #protect
2. #during
3. #twentieth
4. #oxygen
5. #between
6. #treat
7. #catheter
8. #connection
9. #chlorine
10. #haldane
11. #soldiers
12. #however
13. #century
14. #scott
15. #affected
16. #gasses
17. #invented
18. #world
19. #dangerous
20. #nasal
21. #until
22. #first
23. #patient