Altitude and Airspeed Handset, Gunnery System B-29 Superfortress F3D Skyknight The serial numbers on the

The serial numbers on the instrument and the case are different

this instrument was used in aircraft such as the Bf109G

It is clearly experienced

This model has two adjustable vanes (peep and far) with prism for viewing compass bearing and spirit level

I is a straightforward gyro-magnetic compass using magnets for deviation correction of the detector unit (usually located in the tail or wingtip)

Altitude and Airspeed Handset, Gunnery System B-29 Superfortress F3D Skyknight The serial numbers on theHere is an original WWII era Altitude and Airspeed Handset as used in the Boeing B 29 Superfortress bomber. This was a module of the B 29's Central Fire Control System, the remote control gun turret system. This critical component was installed at the Navigator's station in the B 29 (see image of the station from the B 29 flight manual. Handset is at the bottom of the photo). It was his responsibility to ensure that the dials on the handset for