Original U.S. WWII Air Raid Precautions Black-Out Window Shades by Clopay With Original Packaging - 2 Items Antique Gun Parts - Brown glass pressure plate

- Brown glass pressure plate marked 40

1st Lt Lester G

Blade Length: 21 1/4"

Women were also subject to compulsory service

Original U.S. WWII Air Raid Precautions Black-Out Window Shades by Clopay With Original Packaging - 2 Items Antique Gun Parts - Brown glass pressure plateOriginal Items: Only One Lot of 2 Available. A blackout during war, or in preparation for an expected war, is the practice of collectively minimizing outdoor light, including upwardly directed (or reflected) light. This was done in the 20th century to prevent crews of enemy aircraft from being able to identify their targets by sight, such as during the London Blitz of 1940. In coastal regions, a shoreside blackout of city lights also helped protect