[GreenKeys] re: Model 14 with wierd commutator

[email protected] [email protected]
Tue, 10 Dec 2002 21:45:54 -0600 (CST)


Yeah, but those are something different.  They had some narrow segments in 
the middle of wide segments.  There is a military TM which I don't 
remember the number of offhand, but the title is "Receiving Transmitter-
Distributors"  which is sorta strange sounding until you know about the
crypto application.

On Tue, 10 Dec 2002, Howard R. Weeks wrote:

> If memory hasn't completely left me, I think the military had some TDs with
> odd
> segments that were used with an early form of cryptography.
> Howard Weeks
> Harlem, GA
>