Flight Computer, True Air Speed AC Type G-F OH-6 Cayuse This is a crash relic

This is a crash relic believed to be from a WWII Soviet Air Force Yakovlev Yak 7 recovered from its crash site in Poland

This is New Old Stock in its original box dated 1943

but we have no way to authenticate the document

adjusts the projection of the reticles on the glass screen toward the target

Flight Computer, True Air Speed AC Type G-F OH-6 Cayuse This is a crash relicThis is a WWII era True Air Speed Computer used by US Army Air Force and Navy aircrew to determine true airspeed for navigation and bombing runs. The order number prefix 42 indicates the year 1942. Made of either stiff plastic and measuring ~8 inches diameter. In good condition given its age.