My father brought this back from the Pacific during World War II. He told me it was from a Japanese airplane but it took me some research to determine exactly what it was.
It is a target needle direction measuring instrument for a Japanese aircraft. There is a picture of this item in the middle of this website.
It is in the original box and appears to have been unused. Please see photos for condition details. Has been in a smoke-free home for many years.Please let me know if you have any questions or would like additional photos. The item "WW2 WWII Japanese Imperial Army Navy Aviation Navigation Instrument withWooden Box" is in sale since Saturday, July 31, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items". The seller is "vintagetim" and is located in Vancouver, Washington.
This item can be shipped to United States.