26 May
2009
26 May
'09
5 a.m.
----- 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:
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
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.