Navigators Information File, July 1945 WWII PV-2 Harpoon made by Liquidometer PN EA-308-1

made by Liquidometer PN EA-308-1

The altimeter is in exceptional condition given its age

Otherwise all knobs turn and the fuse is intact and in place

Likely made for an Israel Aircraft Industries (IAI) Westwind (formerly Aero Commander 1121 Jet Commander)

and Bell UH-1 and AH-1 Cobra Helicopters per their maintenance manuals

Navigators Information File, July 1945 WWII PV-2 Harpoon made by Liquidometer PN EA-308-1This is an original WWII era Navigators Information File published in 1944 (updated July 1945) by the US Army Air Force. It is the basic reference book for aircraft navigators in the performance of their duties. See photos. The page numbers are by section, so total pages are not estimated here. It is about 1 2 inch thick. All pages are intact as is the soft cover. It is in very good condition given its age.