Original U.S. WWI M1917 SBR Gas Mask with Named Carry Bag and Filter Untouched Antique Guns the M4 Lightweight Mask was

the M4 Lightweight Mask was standardized to add additional improvements

and spares needed to support the forward bases in China had to be flown in from India over the Hump

[9] Many replaced their sabers with extra revolvers

1947 as he breaks the sound barrier in the Bell X(S)-1 at Mach 1

It is nicely marked with the model and serial information on the right barrel base:

Original U.S. WWI M1917 SBR Gas Mask with Named Carry Bag and Filter Untouched Antique Guns the M4 Lightweight Mask wasOriginal Item: Only One Available. This is a nice used example of an M1917 SBR Gas Mask 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 completely degrade, so it is in somewhat delicate condition. Early rubber becomes quite hard over time, and then