Carburetor Temperature Indicator A-20G Havoc Lewis 47AC-X
Here 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 age. The glass and case are intact. It also has a service label dated June 8, 1945 with the name of the instrument technician.