Turn and Bank Indicator, Type 98, Japanese Army Aircraft Peggy Bomber whose purpose was to document

whose purpose was to document aerial torpedo attacks (from launch to impact) and for use in training

The C-1 Control Panel

This looks very similar to the altimeter depicted in the JN-4D Curtiss Jenny cockpit at the US Naval Aviation Museum website

descriptions

Accuracy of these instruments depended upon the proper setting and functioning of this regulator valve

Turn and Bank Indicator, Type 98, Japanese Army Aircraft Peggy Bomber whose purpose was to documentThe WWII era Japanese Type 98 Turn and Bank Indicator was used in several aircraft of the Japanese Army according to the Funatsu Aviation Instruments Museum website, including: Type 1 Fighter Oscar Type 2 Fighter Nick Type 3 Fighter Tony (see image of Tony panel from Robert Mikesh book of WWII Japanese Aircraft Cockpits) Measures ~2. 75 inches diameter and ~5 inches long. It is in very good yet experienced condition given its age. The glass and case