Telegraph Relays

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ki3u
Posts: 36
Joined: Mon Sep 23, 2013 12:31 pm

Telegraph Relays

Post by ki3u »

Some stuff on telegraph relays, in particular restoring and bringing into excellent operating condition
a 20-Ohm Pony relay dating from the late 19th century :

http://ki3u.byethost3.com/Radio-Physics ... ntext.html

Berj / KI3U
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