Turn and Bank Indicator US Navy, WWII 88-I-3280 F6F Hellcat with rotating wheels and tabs

with rotating wheels and tabs

This is an original post-war Pilots Handbook for the US Navy Hellcat Fighter

It is specifically a Climb and Descent Tabulator

just like you

Assuming the measurement is in seconds

Turn and Bank Indicator US Navy, WWII 88-I-3280 F6F Hellcat with rotating wheels and tabsThis Turn & Bank Indicator PN1719 1AF A1 made by Pioneer, was used across virtually all aircraft of the US Navy during WWII. It serial number prefix is AF 43, indicates the manufacturing year 1943. It is in good condition given its age. The dial markings are clear and the glass, case, and fluid are intact. BU AERO USN is embossed on its face.