[GreenKeys] Typing Unit Serial Numbers

[Nick England]

I have one that says LP serial 0013. Some photos are here but I need to
investigate/document more.
http://www.navy-radio.com/misc/braille.htm

I thought that the earliest M28 had a quite different electrical connector?

Nick

On Thu, Jun 6, 2019 at 5:26 AM Steve Garrison <steve.n4tty at gmail.com> wrote:

> Are the M28 typing unit serial numbers sequential starting from the first
> unit?  Or do they different based on model?
>
> I have a unit with serial number 201.  Anyone have a unit from 1 to 200?
>
> This unit has a range finder different than the ones I usually see.
>
> Steve G./N4TTY
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-- 
Nick England K4NYW
www.navy-radio.com
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