Chemical Warfare Service, Research Division, have developed a method by Clark for donning the American Tissot mask. The image shows the three positions of donning the mask - position one, position two with the chin inserted, and position three with the head straps adjusted and the mask in its proper position. This method is being adopted by the service.

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Size: 8433px × 5771px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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