Original Imperial Japanese WWII Type 2 Gou Aircraft Compass for the Type 97 Mitsubishi Ki-21 "Sally" Bomber & Nikko 4x15 Gun Sight - 2 Items Category_Martini-Henry Accessories and the German U-boats responded

and the German U-boats responded by hunting in what were called "wolfpacks" where multiple submarines would stay close together

The blade collar is definitely non standard

Closed box measures 17

wing shows almost no wear

These markings can be verified in the wonderful soft cover book THE CONFEDERATE ENFIELD by CAPT

Original Imperial Japanese WWII Type 2 Gou Aircraft Compass for the Type 97 Mitsubishi Ki-21 "Sally" Bomber & Nikko 4x15 Gun Sight - 2 Items Category_Martini-Henry Accessories and the German U-boats respondedOriginal Items: Only One Lot of 2 Available. This is a very nice WWII direct reading magnetic compass, Type 2 Gou, made by Tokyo Aero Indicator Co. The compass retains approximately 95% of it's original factory black paint, with storage dust build up on the base area. All parts we can see are still mechanically functioning. The needle is no longer intact or balanced on the stem, with functional balancing shock absorbing springs. The lighted 360 degree