Temperature Indicator, Electrical, 160deg C, Luftwaffe Fl.20358 FW190 Curtiss and received signals from the

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

or Gyro Horizon

and then the opened window would be affixed to the internal cockpit ceiling with the snap-fit strap

The observer held the indicator about two feet from his eye

Temperature Indicator, Electrical, 160deg C, Luftwaffe Fl.20358 FW190 Curtiss and received signals from theHere 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