[R-390] was: Theory Question now: abacus (OT)

[Barry Williams]

I still have one that was issued to me in the Army. I never used it past 
what was done in the classroom. I opted to buy a Navtronic that was 
faster in the cockpit and allowed in flight school.


Barry
> They issued those when you flew Sopwith Camels and SPAD's?
>
> The Devil made me do it!!!
>
> Sounds like the Type MB-4, Computer, Air Navigation, Dead Reckoning.....
>
> I still have one in the leather slip case.
>
> Les Locklear
>
>
>> I used a circular slide rule while flying, one side was same as slide
>> rule, flip side did wind vectors.
>> Shirt pocket size.
>>
>> Hank
>> KN6DI