This artifact resides in our Private Collection, yet we welcome inquiries from restorers, museums, or serious enthusiasts. Please email us with the name of the artifact at Curator@AeroAntique.com.
Here is a WW2-era German Airspeed Indicator FI.22230, with airspeed indication from 60-550 km/h, made by Original-Bruhn, Berlin, of the Velocom design. It has a manufacturing date of Oct 1941. According to AircraftCockpits.com, this was used in WWII-era Luftwaffe aircraft Ar79, Ju52, Bf108D, Bu181, He111, and Do24.