EQUIPMENT ASSISTANTS HELP AIRCREWS. - 10391 Picture (issued 1943) shows - Adjusting the oxygen mask. Oxygen has to be used when flying over 10,000 feet and the mask clips on to the sides of the helmet, enabling its wearer to move freely, and at the same time get the right mixture of air. Men's lives have been saved by their oxygen masks, Royal Air Force

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Size: 2570px × 1944px
Photo credit: © piemags/ww2archive / Alamy / Afripics
License: Licensed
Model Released: No

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