Temperature Indicator, Electrical, 160deg C, Luftwaffe Fl.20358 FW190 Curtiss The observer held the indicator

The observer held the indicator about two feet from his eye

and received signals from the bombardier to indicate his desired course changes

the pointer is rotated clockwise

and P2 Neptunes

and Moore part number 6548-73-15 was used in fighters P-38 Lightning

Temperature Indicator, Electrical, 160deg C, Luftwaffe Fl.20358 FW190 Curtiss The observer held the indicatorHere is a WWII era electrical Temperature Indicator used in aircraft of the German Luftwaffe, measuring temperature from 10 deg C to 160 deg C. Likely used to measure cylinder head or oil temperature, the flexibility facilitated by the adjustable limit pointers. It is labeled Fl. 20358, and was made by Hartmann & Braun. According to references on the internet, this instrument appeared in Luftwaffe aircraft Focke Wulf 190 D 9, FW Ta 152, Dornier Do