Original U.S. WWII USN ND Mark IV Diaphragm Gas Mask Converted to Shallow Diving Respirator Spanish Ordnance ) The AC was now

) The AC was now in a wind-up tight spiral and came back to the Baltic shore

This later version has the Heer / Army eagle at the top of an oak leaf wreath

about 100km from Perm in the western foothills of the Ural Mountains

Type RZ20-Rückenfallschirm Zwangsauslösung 20 (backpack

though it is a bit loose due to shrinking

Original U.S. WWII USN ND Mark IV Diaphragm Gas Mask Converted to Shallow Diving Respirator Spanish Ordnance ) The AC was nowOriginal Item. One of a Kind. This is a very interesting example of the U. S. Navy Diaphragm Mk IV Gas Mask, which has the canister entirely removed with a new tube and valve attached for attachment to an oxygen tank. Additionally, the vent on the front has been entirely closed off, so that the mask could be used for shallow diving and likely ship repair. The U. S. Navy Diaphragm Mk IV Gas Mask was an updated version of the U. S. ND Mk III, but with