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- Subject is exactly "Air raid warning systems"
Air raid instructions [Memo to Flight and Aeronautics area, Boeing Plant 2, January 1942]
![Air raid instructions [Memo to Flight and Aeronautics area, Boeing Plant 2, January 1942]](https://digitalcollections.museumofflight.org/files/square_thumbnails/17673b171268d6d3d04de8152367d5e2.jpg "Air raid instructions [Memo to Flight and Aeronautics area, Boeing Plant 2, January 1942]")
Memo to Flight and Aeronautics area, Boeing Plant 2, subject: "Air raid instructions," January 1942. Describes the emergency procedures for air raids and air raid drills. Two (2) typed pages.