Carburetor Temperature Indicator A-20G Havoc Lewis 47AC-X P-2 Neptune

Carburetor Temperature Indicator A-20G Havoc Lewis 47AC-X P-2 NeptuneHere is an authentic WW2 vintage Carburetor Temperature Indicator as appeared in the WW2 Light Attack Bomber Douglas A 20G Havoc. See photo of the A 20G Instrument Panel from the A 20G Erection and Maintenance Manual showing the indicator for the port engine next to the one for the starboard engine, as well as confirmation of the part number below the illustration. Measures 2. 25in diameter and ~2. 5in deep. It is in exceptional condition given its

BMEP is the acronym for Brake Mean Effective Pressure

Accompanying the Gyro is a small pouch containing "Parts for Installation"

It is also stamped with the wing logo of Naval Air Station Alameda (CA)

The AN-5773-1 Engine Gage Unit was used across a variety of aircraft of the US Army Air Force and US Navy during and after WWII

but not bad given the age of the instrument

Measures 3

made by Sperry

The US Army Air Corps fighter P-39 Airacobra is an example of an aircraft which used this venturi

The WWII-era Radio Altitude Indicator

The signal would cause the needle to traverse left or right of center

as used in the US Air Force's KC-97L Stratotanker (and likely earlier versions given its date stamp of 1952)

G-3-168 FIRESTONE K0-200-195