Original U.S. WWI M1917 SBR Gas Mask with Carry Bag, Instructions, and Filter One-of-a-Kind The left rifled barrel appears

The left rifled barrel appears to be about

Exact copy of an original pair

which show the long history and travels that it has made

with a faint government inspector SWP / 1889 cartouche

In all nearly one hundred mostly 8 x 10 photographs printed on original vintage paper are neatly organized in three large ring binders

Original U.S. WWI M1917 SBR Gas Mask with Carry Bag, Instructions, and Filter One-of-a-Kind The left rifled barrel appearsOriginal Item: Only One Available. This is a nice service used example of an M1917 SBR Gas Mask complete with mask, filter, instructions, and carry satchel. The pocket for the filter in the satchel was removed to make fitting the mask easier. The mask itself, like most from the WWI period, has unfortunately had the rubber components completely degrade, so it is in somewhat delicate and degraded condition. Early rubber becomes quite hard over time, and