Vector Plotting Machine AN-5748 in Original Packaging Bf-109 This is an original Pilot's

This is an original Pilot's Flight Operation Manual for the North American P-51H Mustang as used by the US Army Air Force

We cannot confirm this

The case opens by gently lifting the retaining band from the small retaining peg

and the unit is 14 inches high

Vector Plotting Machine AN-5748 in Original Packaging Bf-109 This is an original Pilot'sHere is an authentic WWII era navigational plotter used by aircraft navigators to plan, plot, and track their course along a chart. The plotter would be affixed to a navigator's map table and laid upon the map of the flight plan, typically in a large aircraft. It is essentially a flight computer as it provides the navigator with the integral calculators for heading, track, true air speed, and ground speed. This example is in its original packaging,