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 Post subject: Stromberg Carlson What's it?
PostPosted: Nov Tue 12, 2019 7:27 pm 
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A tradesman I know found some items in the attic of a house tear down
and gave them to me. Packaging marked: "Stromberg Carlson - a Div. of
General Dynamics, Rochester, NY". Some kind of switching/relay thing, I think. :?
Also a Tag stating: "Face Equip,Tele" & some bulbs and light "buttons", or somethin'.

Anyone know what this is?

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Oh...and the little 'button' light thing(s) nor the small cylindrical bulb, fit in any of
the holes. :|

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 12, 2019 7:50 pm 
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Telephone switchboard female jacks and switches


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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 12, 2019 7:54 pm 
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Telephone switchboard jacks.

I've seen that style light bulb used in industrial power switchgear to indicate open or closed switching.
Possibly used by other pieces of industrial/commercial equipment too.

-Steve

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 12, 2019 8:01 pm 
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Telephone switch board plugs, usually stacked in a frame as shown in the picture (Left of me, 1959)


Attachments:
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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 12, 2019 8:45 pm 
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Those are "peanut bulbs".


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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Wed 13, 2019 12:37 am 
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SC was a big player in the telephone apparatus industry for many years.

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Wed 13, 2019 12:50 am 
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Telephone equipment was where the money was. Radio, and later Television was just a sideline for Stromberg Carlson, and partly funded by the telephone side.

-Steve

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Thu 14, 2019 12:05 pm 
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Ohh...interesting. Thanks everyone. :wink:

Btw, it's interesting that besides brass, it's made of black wood.
There are small (8"x2") black wood blocks with notches (to interlock?)
and seem to be stacked in layers with the "tele-switch block(s)" and would
look something like those as pictured in Paul's AF pic.

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Thu 14, 2019 12:52 pm 
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A large telephone exchange or central office might have several hundreds of those jack fields, often mounted in a 19 inch racks.
The greater challenge in a large system was organizing and documenting them out so you could locate the circuit jack you wanted to test.

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Thu 14, 2019 8:25 pm 
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Those were also used aboard Navy ships as TTY switchboards. The light bulb also had an application telephone offices. I used to run a 20 line telephone console. Each line pushbutton had that light to indicate which lines were busy.

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Thu 14, 2019 10:46 pm 
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Jack fields are also used in broadcast and production studios, for testing and patching around equipment. Typically, each pair of jacks has the normally closed contacts connected together, so the audio circuit is carried through unless a patch cord or plug is inserted. Also called a "patch bay".

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Sat 16, 2019 12:03 am 
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Now I notice that the packaging reads: "XY" -OK! that's this
"SC XY switching system (1955).

In action:
https://www.youtube.com/watch?v=midibppIXsU

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Mon 18, 2019 5:09 pm 
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Sooo... are these items worth anything to anyone? :|
Maybe I'll try throwing 'em on EBay...

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Mon 18, 2019 11:03 pm 
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RadioNut39 wrote:
Sooo... are these items worth anything to anyone? :|
Maybe I'll try throwing 'em on EBay...


IMO, not likely....Unless you are maintaining a telco exchange in a third world country. :?

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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 19, 2019 1:20 am 
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The Orange tag that the buttons are sitting on is what we called an RFI (Ready For Issue) Tag. The number beginning with 5805- is called the NSN (National Stock Number). So this was a stocked item of supply that could be ordered from DLA or its equivalent from that era if DLA wasn't around when these were used. I filled out about a milion of those tags when I worked Intermediate in the 80's and 90's. A google search of that NSN returns links like this;

https://fsg-58-communication-radiation-detection.parttarget.com/fsc-5805-telephone-telegraph-5805-00-600-5881_5805-00-602-5122.html


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 Post subject: Re: Stromberg Carlson What's it?
PostPosted: Nov Tue 19, 2019 5:42 pm 
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Govee wrote:
The Orange tag that the buttons are sitting on is what we called an RFI (Ready For Issue) Tag. The number beginning with 5805- is called the NSN (National Stock Number). So this was a stocked item of supply that could be ordered from DLA or its equivalent from that era if DLA wasn't around when these were used. I filled out about a milion of those tags when I worked Intermediate in the 80's and 90's. A google search of that NSN returns links like this;

https://fsg-58-communication-radiation-detection.parttarget.com/fsc-5805-telephone-telegraph-5805-00-600-5881_5805-00-602-5122.html

Huh...very interesting. Thanks. :wink:

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