Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display One-of-a-Kind These are three German WWII

These are three German WWII MP 43 / 44 de-milled receiver sections

though it has some oxidation and dirt

which is still clear

Of the few passes across the old Austro-Italian border

but the internals are all iron/steel

Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display One-of-a-Kind These are three German WWIIOriginal Item. Only One Available. This is a fantastic working example of a Wabash Blackout Bulb. Their purpose was to create a minimal light source to be used inside homes during air raid alert "blackouts", in which there was reason to believe there was danger of an air raid. When this happened, all normal bulbs had to be turned off, and these bulbs had to be used instead. The idea was to make it more difficult for enemy aircraft to locate their