Bombing Angle Computer Mk 1 Ref 9/4482 RAF 1956 B-47 but the fluid in the

but the fluid in the rear chamber is absent and there is a slight internal rattle

and the entire kit weighs 21 lbs

Two of these indicators appeared on the B-50's engineer's instrument panel (see photo)

Stores Ref 6A/1649

It is missing the small lamps for the frequency display and the tuning meter display

Bombing Angle Computer Mk 1 Ref 9/4482 RAF 1956 B-47 but the fluid in theThis is an original Bombing Angle Computer Mk 1 Ref No 9 4882 as used by bomb aimers of the British RAF. This heavy 8 inch metal calculator was first used during WWII in bombers such as the Lancaster. This version, Mod. Inst. D. 38. LNP R 3 1956, was likely from 1956 and was used in Canberra's and possibly early V bombers. Its in terrific condition given its age.