Original WWI U.S. Army Chemical Warfare Service Siren by Sparton U.S.H. - Fully Functional MG 34 Mounts The AH-1 was initially considered

The AH-1 was initially considered a variant of the H-1 line

patent-leather chinstrap

but we sell these helmets based on the interior liner size

It has WWII period brass casters on the bottom and still rolls well

Original WWI U.S. Army Chemical Warfare Service Siren by Sparton U.S.H. - Fully Functional MG 34 Mounts The AH-1 was initially consideredOriginal Item: Only One Available. This Vintage WWI (circa 1916) siren works perfectly, and is an EXTREMELY LOUD noisemaker! It features a wooden crank handle and is in very good condition. Having began in late 1800's, the Sparks Withington Co. officially incorporated in 1916, during which time they had a very brief period of military production during World War 1. During that same period the company adopted the trade name "Sparton", thus the data