[GreenKeys] More cleaning up!

hwhall at compuserve.com hwhall at compuserve.com
Mon Aug 12 22:10:43 EDT 2019


 I found a lot of unused little dual mini-bananas similar to that Pomona. H.H. Smith #1750-103 Test Adapters, they're called. Checked it & it fits nicely in a FT-243 type socket like the EC-1 used. There's about 30 or more still in plastic packaging. I can send a pic later if you want.

-----Original Message-----
From: Jeff Albrecht <jeffa at rodaw.com>
To: greenkeys <greenkeys at mailman.qth.net>
Sent: Sun, Aug 11, 2019 11:17 am
Subject: Re: [GreenKeys] More cleaning up!

 John,
 
 Thank you for the image. Is that your creation? I placed it on a wiki page I just started for my EC-1 with a credit to you for the connector image. 
 https://wiki.theretrowagon.com/wiki/HeathKit_EC-1
 
 The 'Original' and 'Ant Conn' look pretty much what I would expect to fit.
 
 Wayne WB4OGM,
 
 If you could find either of those first two connectors at the surplus store closing that would be great! The mini banana plugs like the Pomona 2945 wouldn't be my first choice as they're not a structural pair. I guess there are Crystals that can be disassembled that have a similar form factor too. I'm not totally clear on that and don't have an image.
 
  - Jeff
 
 
 On 8/10/2019 8:37 PM, John Lawson wrote:
  
 
Greetings List (a bit more OT) For the Heathkit EC-1 analog computer, attached is a photo of: one of the original plugs, a typical TV 300-ohm antenna plug, and the Pomona mini-banana plug. All these work well in the EC-1
  On 8/10/2019 8:11 PM,  hwhall at compuserve.com wrote:
  
 How many plugs are needed for the computer?  I can scour the closing surplus store for some minibananas that might to the job.  Maybe they'd have some dual plug pieces. 
 
  
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