Original Imperial Japanese WWII Hand Cranked Air Raid Siren by Yahagi - Fully Functional Category_Fusee Spring & Cover which was then replaced with

which was then replaced with the Fiberglass M8/M8A1 scabbards

It will make an excellent display piece for a collector on a budget

There is also still most of the original cardboard inner lining

The second example is in much better shape

and squadron members wore matching pins above the right breast pocket on their uniforms

Original Imperial Japanese WWII Hand Cranked Air Raid Siren by Yahagi - Fully Functional Category_Fusee Spring & Cover which was then replaced withOriginal Item: Only One Available. This is a rare fully functional Japanese WWII hand cranked air raid siren, which would usually be attached to some sort of stand. There are two bolts on the rear for attaching to a mount, but no mount is included. It is definitely larger than the hand held type, and has a large nozzle on the front to help with sound projection. It looks to be made mostly of what appears to be aluminum, or some other non ferrous