Original U.S. WWI Named M1917 SBR Gas Mask with Carry Bag and Instruction Manual Japanese Militaria The windows were replaced by

The windows were replaced by 10 small portholes a side

The case includes a powder flask and bullet mould

as bomber-interceptors

This is an exceptional incredibly detailed and documented  photo album over 60 pages in length completely filled with period corner mounted photos

It also has a mostly complete liner with felt top pad and partial chin strap

Original U.S. WWI Named M1917 SBR Gas Mask with Carry Bag and Instruction Manual Japanese Militaria The windows were replaced byOriginal Item: Only One Available. This is a nice example of an M1917 SBR Gas Mask in size 4 wide complete with mask, filter, carry satchel, and is complete with the original instruction manual. The mask is in good mostly supple condition which is rare as normally these are hard as a rock. One lens has darkened. The carry bag is named C. A. MARTIN. Genuine examples in this overall very good condition are very hard to find. Of the 5,250,000 gas masks