Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display One-of-a-Kind though it has some oxidation

though it has some oxidation and dirt

57 of Meiji 3 (issued on 27 February 1870)

Navy Certificate of Qualifying Service lamented card

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

where it was fitted with a rifled barrel of 40 inches long

Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display One-of-a-Kind though it has some oxidationOriginal 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