I hope this article on the A-13 mask might be of interest to people here.
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Posted 15 May 2016 - 07:23 PM
Posted 18 May 2016 - 04:52 PM
Nice article. I am almost certain the early A-13 mask did not have inhalation valves and covers-maybe a later addition or acquired from the A-13A? The A-13 developed into the A-13A/MS-22001 MBU-3/P series with many many configurations used, especially by the USN/USMC.
Edited by northcoastaero, 18 May 2016 - 04:52 PM.
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