Original WWI U.S. Army Chemical Warfare Service "Klaxon" Siren by Stewart Warner Speedometer Corp - Fully Functional Russian Antique Guns a grenade on their collar

a grenade on their collar badge

but the left side of the barrel is marked B

with many other Vichy officials keeping their jobs

This roughly translates to "Mori Kunitoshi forged this

but the wear around the stock suggests this was the original butt plate

Original WWI U.S. Army Chemical Warfare Service "Klaxon" Siren by Stewart Warner Speedometer Corp - Fully Functional Russian Antique Guns a grenade on their collarOriginal Item: Only One Available. Gas Warfare, now banned by International Treaty, was first introduced in WWI on the Western Front, and the results were devastating. Soon everyone was issued with a gas mask and was required to carry one at all times. Various types of "gas alarms", from simple wooden rattles to mechanical sirens were employed to help warn the soldiers that it was time to put the mask on. This Vintage WWI (circa 1916) siren works