Original U.S. WWI M1917 SBR Gas Mask with Carry Bag and Filter ger for a loss rate of

for a loss rate of one bomber for every 22 missions

and there is a faint "56" in a circle ink stamped on one of the fingers

along with a studded collar known as a "mendak"

brass fittings with leather shoulder pad

Original U.S. WWI M1917 SBR Gas Mask with Carry Bag and Filter ger for a loss rate ofOriginal Item: Only One Available. This is a nice example of an M1917 SBR Gas Mask in size 3 complete with mask, filter, carry satchel. It still has the large spring under the filter, which helps to space the filter from the bottom of the satchel. The mask itself, like most from the WWI period, has unfortunately had the rubber components degrade, so it is in somewhat delicate condition. Early rubber becomes quite hard over time, and that is true with