Original French WWI Appareil Respiratoire Spécial Special Breathing Apparatus ARS Gas Mask With Filter and Canister - Battlefield Relic U.S. Marines USMC The buttstock screws

The buttstock screws

The order consisted of only one class

These huge brass-and-steel instruments (many of them built by Nippon Kogaku

or that these are not serial numbers

functional catches

Original French WWI Appareil Respiratoire Spécial Special Breathing Apparatus ARS Gas Mask With Filter and Canister - Battlefield Relic U.S. Marines USMC The buttstock screwsOriginal Item: Only One Available. In 1916, the French military began experimenting with copying and upgrading the GM15. Originally the prototype that would become the ARS, known as the MCG, had a faceblank made from a layer of rubberized cloth and no Tissot deflectors. Because of fogging and the inability of the mask to resist tear gas, the MCG was updated to include Tissot deflectors and a backing of cloth boiled in linseed oil. Also added to the