Compass, Magnetic, US Military Vehicle, Pioneer 1829-2-A NOS Italian botton-mounted handle unlocks when flipped

botton-mounted handle unlocks when flipped up

the Silhouette Handbook of US Army Air Forces Airplanes

It is in decent condition given its age

The loose-leaf binder cover is detached from its spine and the condition of its pages are evidence of its age

Compass, Magnetic, US Military Vehicle, Pioneer 1829-2-A NOS Italian botton-mounted handle unlocks when flippedThe Pioneer 1829 2 A Magnetic Compass was used in various US military vehicles and naval craft during WWII. It has a screw type heeling compensator, a removable drawer type compensator, a screw type horizontal compensator, and a spider type compensator, all for the elimination of errors caused by magnetism. Has a constant deviation corrector and a course setter. With a rotatable dial engraved with the compass card graduations. The compass mounted