[time-nuts] Spectracom 8170 -> SWCC clock

paul swed paulswedb at gmail.com
Sun Jan 22 21:06:33 UTC 2012

Nice pixs
I would think that the setting winding would be of the old teletype loop
voltage and current and that the local winding battery as mentioned would
have been 3-6 VDC.
Nice looking clock lucky you to find such an instrument.

On Sun, Jan 22, 2012 at 3:49 PM, Jim Hickstein <jxh at jxh.com> wrote:

> On 2012/01/22 13:58, Jim Hickstein wrote:
>> On 1/22/12 1:56 PM, paul swed wrote:
>>> Yahoo for real voltage power and current. Teletype style.
>>> Yes indeed the old loop currents seriously worked.
>>> No AA batteries here. ;-)
> How far will I get with my 3 D cells?  They make it wind nicely, but I've
> been afraid to try 6V, having read somewhere (probably Brooke's pages) not
> to exceed 3V lest one damage something.  Then again, that's the local
> battery, not the setting signal.  (No. 6 dry cell?  Dear me, I hadn't even
> thought of one of those for 40 years.)
>  When will we see a pix of this unit??
>> It's my day off. :-)
> Then again, what's a day off for, if not this kind of thing?
> http://www.flickr.com/photos/**jxh1/tags/clock/<http://www.flickr.com/photos/jxh1/tags/clock/>
> Brooke Clarke's pix are nice, but I think I have the nicest SWCC clock out
> there, one of the nicest I've seen.  Coincidentally, I bought it in about
> 1986 from a fellow named Clark (last name I don't recall), who was a member
> of the Minnesota horological society, or whatever it's called.  A friend of
> mine, another member, put me on to this, and I jumped at it.  (Actually, he
> has an even nicer one, a big Air Force unit IIRC that's about 6 feet tall,
> and with a mercury pendulum bob.)  Took the thing back home to California,
> and it came with me when I moved back to Minnesota in 2003.  It's been the
> primary time display in my house since I got it.  I also still keep the
> Textronix carton I scrounged, that's a perfect fit, for moving it.
> -Jim
> K6JXH/0
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