Historical information
RAAF Manual navigation aircraft calculator(early computer)
Significance
General issue to allied pilots and navigators for airspeed,altitude,air temperature and drift calculations.
Physical description
Black metal box with SS flap-top cover, moulding and straps for knee attachment.
Inscriptions & markings
Engraving No. 19, Ident.No. G6B/145.
I.C.A.N. Serial No. WG/1716*. Computer Navigational Mk.IIID