[GreenKeys] OT: Mechanical Adding Machines

[Pete Lancashire]

Type 1 US Forestry. Got 4 of them on a GSA auction in 1981. Only kept one,
sigh.

On Nov 6, 2017 6:02 PM, "Wa3frp via GreenKeys" <greenkeys at mailman.qth.net>
wrote:

> I've got the Curta Calculator Type 1 - used it in the early 1970s for TSD
> (Time Speed Distance)  Road Rallies.   It is very handy and easy to use and
> helped keep us on time as we traveled over hill and dale in search of the
> next checkpoint.
>
> Russ - WA3FRP
> wa3frp at aol.com
>
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