Flight Computer, True Air Speed AC Type G-F OH-6 Cayuse and is likely 1950-60's-vintage given

and is likely 1950-60's-vintage given its labeling

The goals and objectives of the Committee tell you about its manifesto

including bombers B-17

The liquid is no longer contained in the body

The C-14 Sensitive Altimeter displayed altitude using 3 pointers

Flight Computer, True Air Speed AC Type G-F OH-6 Cayuse and is likely 1950-60's-vintage givenThis 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.