Directional Gyro, Italian Royal Air Force (Regia Aeronautica Italiana), Filotechnica Sperry Air Forces of USA 0-20 liters

0-20 liters

The gyro may been worked on

B-17 Flying Fortress

a)  no response (if the Safety Plug has not been inserted)

Here is a WW2-era British Airspeed Indicator IXE 6A/585 WW2

Directional Gyro, Italian Royal Air Force (Regia Aeronautica Italiana), Filotechnica Sperry Air Forces of USA 0-20 litersThis is an exceptional example of a WWII era Giroscopio Direzionale, made by Filotecnica Sperry in Milano Italy, was used in aircraft of the Regia Aeronautical Italiana. This was likely made by Filotecnica under license from Sperry, but the precise history of the manufacturing source is unclear. On the dial there is text which reads "Scade Radium 15 9 43", which essentially translates to Radium Expires 15 Sep 1943. Therefore the instrument was likely