Dalton Dead Reckoning Computer Model G Knee Board RCAF PB4Y Privateer This is a 1930's pre-WWII

This is a 1930's pre-WWII Drift Sight Type A-3 for aircraft of the Air Corps US Army

transports C-87 and C-45

25 inches across and ~5 inches long

The gunner took aim at his target by looking through the glass screen mounted on an optic head the bottom of the sight

The SCR-522 VHF Radio Set was used in various early versions of US Army Air Corps/Force aircraft models such as B-17 and B-25 bombers

Dalton Dead Reckoning Computer Model G Knee Board RCAF PB4Y Privateer This is a 1930's pre-WWIIThis is an Aircraft Navigational Computer, Dalton Dead Reckoning Model G, used by pilots to measure and evaluate their course given flight conditions to identify changes necessary to achieve objectives. It would be strapped to the pilot's leg in flight. It contains the notebook for recording key metrics during a mission. 1950's era. Its former owner was an RCAF F 86 Pilot. The top circular calculator can be flipped open for access to the navigation