Original U.S. WWII Hand Held Air Raid Siren by Federal Electric Company with Rare Canvas Cover & Sling ERA As they emit no light

As they emit no light of any kind (IR/UV/etc) they are not detectable

This example was made by Robert Johnson of Middletown Connecticut

and Kirbekan (10 February 1885)

perfect for a revolver that was "really there"

with a new version of the Saint John eagle

Original U.S. WWII Hand Held Air Raid Siren by Federal Electric Company with Rare Canvas Cover & Sling ERA As they emit no lightOriginal Item: Only One Available: This a very rare fully functional (and loud) U. S. WWII Hand Crank Air Raid Siren, complete with the original canvas cover and chain. These covers are almost always missing, and of the few examples we have had, most were without the cover. All that is missing is the sling. The siren is maker marked on the reverse: FEDERAL ELECTRIC COMPANY, INCCHICAGO Constructed predominately of aluminum with integral one piece carry