Plotting Computer 16 x 16 in P-38 German Aircraft"

German Aircraft"

while the longer pointer displayed the altitude in 20 ft increments along the outer scale

and the other the right of the co-pilot's seat

or Elevator/Nose Position Indicator

no switching of control is necessary and the one radio control box has control at all times

Plotting Computer 16 x 16 in P-38 German Aircraft"This Plotting Computer is comprised of 3 clear disks with linear black, green, and blue markings that rotate about an axis at the center of a fixed circle marked in degrees. A clear hinged and latched polycarbonate lid overlays the active elements of the device. We assume that this was used in an instructional setting, but know nothing else about this device.