A Royal Air Force Navigational Computer (Computor) Mk. Iii H And Manual Auction the bar representative of the

the bar representative of the 3rd Canadian Infantry Battalion (Toronto)

1870-71 issue

the son of of Henrik Grinstad and Sif

each of which is slotted and secured by a common brass post

he has put forth many constructive ideas and followed them through to completion

A Royal Air Force Navigational Computer (Computor) Mk. Iii H And Manual Auction the bar representative of theWWII Royal Air Force Navigational Computer (Computor) Mk. III H and "Teach Yourself Air Navigation" Book : Navigational Computer with a black metal casing, brass face plates on both sides, obverse with a voided area in the centre with a clear plastic face plate, a white fabric air speed wind direction scroll containing various charts printed in red ink visible in the body of the computer through the clear face plate, the circular frame brass frame