Airspeed Indicator, 400 km/h, Luftwaffe Fahrtmesser Fl.22233 Air Forces of USA and the top right knob

and the top right knob switches the measured range between 0-400 ft to 400-4000 ft and back (see 2 photos showing range set for each)

including any USN versions of the above such as the PB4Y Patrol Bomber

an instruction card

Would be connected with the Vertical Gyro module and the Speed Control Valves of the same system and installed on the flight control panel

as confirmed in the P-38L Erection and Maintenance Manual dated 1945

Airspeed Indicator, 400 km/h, Luftwaffe Fahrtmesser Fl.22233 Air Forces of USA and the top right knobHere is a WWII era Airspeed Indicator used in aircraft of the German Luftwaffe, Fl22233, measuring airspeed from 50 400 kilometers hour (~30 250 MPH). According to references found on the internet, this was used in the reconnaissance aircraft Fieseler Storch Fi 156. We have more than one in stock. We can send photos of our stock if you wish to specifically select one to purchase. Otherwise, we will ship the next best specimen. Measures ~3. 25 inches