[CQ-Contest] Any place to find out more about SK's?

[N7SG - K7FD]

In particular, I am looking for a call that belonged to a
Harry Squire (lived in the Salem/Eugene, Oregon area) during
the early 60's. 

I did a search on the internet for Silent Keys, only to
come up with a sales pitch for MicroSoft's Natural Keyboard.
Oh well.

Thanks well in advance,


73 John K7FD


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