Anyone heard of a North Plug or IBM wire relays ... Re:Jonesplugs, or similar sorts of plugs

CSquared csquared3 at tx.rr.com
Tue May 26 00:00:50 CDT 2009


----- Original Message ----- 
From: "Mike Loewen" <mloewen at cpumagic.scol.pa.us>
To: "General Discussion: On-Topic and Off-Topic Posts" 
<cctalk at classiccmp.org>
Sent: Sunday, May 24, 2009 7:50 AM
Subject: Re: Anyone heard of a North Plug or IBM wire relays ... 
Re:Jonesplugs, or similar sorts of plugs


> On Sat, 23 May 2009, CSquared wrote:
>
>>> From your img_4676.jpg I would say those are exactly what I was trying 
>>> to
>> describe, including the crimp terminal plugs.  And yes, they did come in 
>> different widths depending on how many poles were required at that point 
>> in the logic.
>
>    If you haven't already found it, this IBM CE Reference Manual for 
> relays has lots of detail on their various relay types, including pictures 
> and maintenance procedures:
>
> http://ed-thelen.org/1401Project/IBM-003-22-5857-1-Relays.pdf
>
>
> Mike Loewen mloewen at cpumagic.scol.pa.us
> Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/
>
I had not seen that document before; thanks for the reference.  What 
beautiful illustration drawings - reminds me a lot of the early Amateur 
Scientist ones in Scientific American magazine.
Later,
Charlie Carothers
--
My email address is csquared3 at tx dot rr dot com




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