Airspeed Indicator, 900 km/h, Luftwaffe Fahrtmesser Fl.22234 DC-3 showing the location of this

showing the location of this antenna)

of the guns needed to be trained (turned) left or right

75in round

See photo from the B-47B Flight Manual showing the location of this instrument

Airspeed Indicator, 900 km/h, Luftwaffe Fahrtmesser Fl.22234 DC-3 showing the location of thisHere is a WW2 era German Airspeed Indicator FI. 22234, with a maximum airspeed of ~900 km h. As the airspeed increases, rotating the pointer clockwise from the 6 o'clock position, it rotates 360deg past 0 once 800 km h is exceeded, thus following the airspeed index on the inner scale, up to ~900 km h. Alternative markings have been added by hand in red on the exterior glass. According to AircraftCockpits. com, this was used in aircraft such as Do335,