Pilot Director Indicator for C-1 Autopilot, WWII B-29, B-24, B-17 F-106 25 inches diameter and ~4

25 inches diameter and ~4 inches deep

as is the banking indicator (fluid is intact)

The flight computer indicator is in good condition given its age

but it's certainly an interesting item nonetheless

25in diameter and ~ 2

Pilot Director Indicator for C-1 Autopilot, WWII B-29, B-24, B-17 F-106 25 inches diameter and ~4The Pilot Director Indicator (PDI) was used during WWII in bombers of the US Army Air Force , including heavy bombers B 17 Flying Fortress, B 24 Liberator, and B 29 Superfortress and medium bombers B 25 Mitchell and B 26 Marauder, and US Navy's PBY5A Catalina and PB4Y Privateer. The PDI was located on the pilots instrument panel, and received signals from the bombardier to indicate his desired course changes, left or right, to obtain an accurate bomb