[GreenKeys] Another Interesting e-Bay Item

[Sam Hallas]

Paul Wills wrote:

> It sure looks like railroad stuff to me.  Perhaps it's a demonstration 
> of a time code centralized traffic control system designed to work on 
> a carrier frequency.
>
> John Burch wrote:
>
>> OK Teletype historians - git out yer magnifying glasses!
>> (Interesting old historical photo, but not mine.)
>>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3232370952
>>
Yes, the signal heads and miniature lineside pole route give the game 
away. Could it be to demonstrate multiple services over one pair of 
wires using carrier techniques. Notice the telephone nearest the camera 
and another one half way back on the equpment.

Cheers,

Sam