[GreenKeys] GreenKeys Digest, Vol 104, Issue 46

[COURYHOUSE at aol.com]

what about all the ap upi stuff how  were they set  up?
 
Ed#
 
 
In a message dated 9/30/2012 3:17:28 P.M. US Mountain Standard Time,  
packard42 at gmail.com writes:

However,  I was told by the inventor of the thing, Walt Zenner, that  
the  reason
for it was so that they could run TWX switchboards at lower  than
120V because it was dangerous to have such a high voltage exposed  on
the switchboard cord  plugs.
______________________________________________________________
Absolutely  Jim,
Even early M15s had holding  magnets.

Best,
Don
K9TTY
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