Compass, Hand Bearing, Type O.6.A., Ref 6A/1248, with Original Case JU-52 It has a service stamp

It has a service stamp dated Nov 11

this appears very similar to the MkXVII type

describes the installation

When reaching the 12 o'clock position the aircraft is now at 20

Measures ~8 inches long and ~4

Compass, Hand Bearing, Type O.6.A., Ref 6A/1248, with Original Case JU-52 It has a service stampHere is a WWII era Hand Bearing Compass, Type O. 6. A., in its original wooden case, as used in aircraft of the British RAF Coastal Command. The 06. A. is hand held compass, used by an observer (hence the "O" designation. Reference numbers for pilot compasses began with "P") to take navigational bearings in situations where a fixed compass could not be used, or to determine correction factors for fixed compasses. The handle holds batteries (not