WW2 Japanese Plotting Device. NNJ218

  

WW2 Japanese Navy Computer - Torpedo Angle Solver. Comes with vet bring back paper. This was part of a larger group of GI take-home items from WW2 Pacific theater that I will be listing.

The Imperial Japanese Navy (IJN) was the navy of the Empire of Japan from 1868 until 1945 when it was dissolved following Japan's surrender in WW2. The IJN was the 3rd largest navy in the world by 1920, behind the Royal Navy and the United States Navy.

It was supported by the Imperial Japanese Navy Air Service for aircraft and airstrike operation from the fleet. It was the primary opponent of the Western Allies in the Pacific War.