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Newsgroups: rec.crafts.metalworking, rec.puzzles, rec.woodworking
From: "R.H." <rhv...@cinci.rr.com>
Date: Sat, 10 May 2008 14:43:24 -0400
Local: Sat, May 10 2008 2:43 pm
Subject: Re: What is it? Set 231
> I am pretty sure that #1300 , although similar to, is not a "sounder". A Based on the number of people who said it was a relay, I had a feeling that > sounder has a much heavier armature and a substantial stop so that it > makes a quite loud sound when operating. As several others have said, this > is actually a relay or repeater, used with a local battery for operating > the sounder and retransmitting the signal further along the line. These > were designed to be light and sensitive so they would operate reliably on > signals too weak to directly operate the sounder. An early form of > amplifier. > Don Young this might have been tagged wrong. I just changed my answer to "telegraph relay". Thanks, You must Sign in before you can post messages.
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