Fuel Quantity Indicator, Hydrostatic, Japanese Naval Aviation C-7 AAF Material Command also requested

AAF Material Command also requested the N-6 to replace the old iron sights on all other gun positions in medium and heavy bombers (but most period photos clearly show it didn’t happen)

B-24 turrets (nose and tail)

These indicators are in good shape given their ages

and BT-14 Yale

Fuel Quantity Indicator, Hydrostatic, Japanese Naval Aviation C-7 AAF Material Command also requestedThis is a fine example of the WWII era hydrostatic Fuel Quantity Indicator, manufactured by the Japanese under license from the US manufacturer Pioneer. This particular model was used in the A6M2 version of the Japanese Navy Figher Zero, aka "Zeke" (according to the Funatsu Aviation Instruments Museum Website. Hydrostatic fuel quantity indicators are readily identifiable by the pump knob at their base. The indicator essentially is measuring