Navigators Information File, WWII George Fighter there is a small cover

there is a small cover installed over a separate selector switch designed to engage a formation stick

The glass and case are intact and the lettering is distinct

Here is a fine example of a WWII-era CDIA Aircraft Clock

at USAF SBAMA (San Bernadino CA Air Materiel Area)

Navigators Information File, WWII George Fighter there is a small coverThis is an original WWII era Navigators Information File published in 1944 (updated 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, which has some watermarks. It is in very good condition given its age.