18″ x 12″ x 9. The item “US Army Air Forces Norden Bomb Sight Type M9B” is in sale since Saturday, March 11, 2017. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Other US WWII Original Items”. The seller is “debbiesvintageairplanestuff” and is located in Big Oak Flat, California. This item can be shipped worldwide.