Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display Knives & Daggers The inside liner is still

The inside liner is still partially present

Apparently even into the post war years these were still being used for bayonet training by the armed forces

The rear sight

and there is just a bit of verdigris and oxidation near the fittings

This is an incredible set of three U

Original U.S. WWII Wabash Blackout Bulb Attached to Functional Display Knives & Daggers The inside liner is stillOriginal 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