Stopwatch, Type A-8, Navigation Watch for Ground Speed 1944 "Jitterbug" w Box B-45 But for an 80 year

But for an 80 year old instrument

but all other pages are intact and in very good condition given the age of the manuals

With the left knob depressed

The periscope would be positioned to view the terrain directly below the fuselage while in flight

and displays fuel quantity on the refueling panel at the flight engineers station (see photo of the panel and location of the indicator from the KB-29P Flight Manual dated 1951)

Stopwatch, Type A-8, Navigation Watch for Ground Speed 1944 "Jitterbug" w Box B-45 But for an 80 yearHere is an authentic WWII era aircraft navigator's Watch, Navigation (Ground Speed) Stopwatch, Type A 8, made by Elgin to Air Corps US Army spec #94 27749. With a serial # AC44 4348, indicating manufacturing year of 1944. Type A 8 stopwatches were used in any WWII aircraft with a navigator, such as heavy (B 17, B 24, B 29) and medium bombers (B 25, B 26) and large transports (C 46, C 47, C 54). The outer ring of the dial counts up to 10 seconds and