Original U.S. WWI Named M1917 SBR Gas Mask with Carry Bag Set Night Sights the "Mark I" Adams was

the "Mark I" Adams was actually a breechloading conversion of the primary percussion service revolver

he designed

• Frank DiPrima

allied Southern Vietnamese Forces

New York Infantry Company G during the U

Original U.S. WWI Named M1917 SBR Gas Mask with Carry Bag Set Night Sights the "Mark I" Adams wasOriginal Item: Only One Available. Of the 5,250,000 gas masks of all types produced by the U. S. during the war, 1. 6 million of them were the improved version of the British SBR. This mask was officially known as the U. S. Corrected English Small Box Respirator or the U. S. Corrected English Model (CEM). Produced in six sizes (1 through 6) from January to March 1918, the CEM was one of the two most commonly worn American made gas masks used by the