Original WWI U.S. Army Chemical Warfare Service "Klaxon" Siren by Stewart Warner Speedometer Corp - Fully Functional U.S. Machine Guns The Army Air Forces was

The Army Air Forces was created in June 1941 to provide the air arm a greater autonomy in which to expand more efficiently

30 inches (varies)

A very interesting miniature Army Heer Officer dagger by a well-known maker

The shape of the handle is not especially comfortable

which could catch spent brass

Original WWI U.S. Army Chemical Warfare Service "Klaxon" Siren by Stewart Warner Speedometer Corp - Fully Functional U.S. Machine Guns The Army Air Forces wasOriginal 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