Subject: | Re: [OM] IMG: Crossroads |
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From: | SwissPace <ian@xxxxxxxxxxxxxxxx> |
Date: | Tue, 28 Jan 2014 20:33:30 +0100 |
I wonder if that's the same as the strowger switch we had in the UK - up then rotate. I worked on both the phone and the telex version, telex used +80v and -80v for signalling and 160v combined gave quite a shock if you weren't careful when jumpering. IanW On 28/01/14 16:01, Chris Trask wrote: >> > At least they've pretty much done away with those rotating switching > relays. The noise was often deafening, and you carried a set of diamond > spatulas to clean the contacts. I still have a set of those. > > > Chris > > -- _________________________________________________________________ Options: http://lists.thomasclausen.net/mailman/listinfo/olympus Archives: http://lists.thomasclausen.net/mailman/private/olympus/ Themed Olympus Photo Exhibition: http://www.tope.nl/ |
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