[GreenKeys] 1956 State Dept TTY center

[commtekman at aol.com]

Puts my little three head model to shame-
 
 
In a message dated 4/11/2018 4:05:52 PM Pacific Standard Time, jhhaynes at earthlink.net writes:

 
 This picture shows the unusual six-headed version of the MXD multiple
transmitter-distributor. I've never seen one in the flesh, but these
were used for torn tape relay systems as shown here.
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