Plotting Computer 16 x 16 in P-38 and the other the right

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

so the angle on the right side is in fact 180 - 112

or Elevator/Nose Position Indicator

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

German Aircraft"

Plotting Computer 16 x 16 in P-38 and the other the rightThis 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.