Original U.S. WWII Hand Held Air Raid Siren by Federal Electric Company British Military Hats This was recently acquired by

This was recently acquired by IMA from a lot of Japanese souvenirs which were sent home by an American GI as war trophies from the South Pacific

using the design originated by Remington Arms Company

The 5th Defense Battalion was re-designated as the 5th Antiaircraft Artillery Battalion in April 1944 and took part in the Battle of Okinawa in 1945

so the blade shape is somewhat reduced

The model designation is also still clear:

Original U.S. WWII Hand Held Air Raid Siren by Federal Electric Company British Military Hats This was recently acquired byOriginal Item: Only One Available: This a very rare fully functional (and loud) U. S. WWII Hand Crank Air Raid Siren. These covers are almost always missing, and of the few examples we have had, most were without the cover or sling, like this example. The siren is maker marked on the reverse: FEDERAL ELECTRIC COMPANY, INCCHICAGO Constructed predominantly of aluminum with integral one piece carry handle and crank handle. These were originally painted