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I have this trove of HP-71B stuff, including a lot of HP-IL equipment. I have these two objects that I think are part of the HP-IL developer's kit, and I'm trying to identify them. I hope someone here can help.

Clickable thumbs below:
Image 1:
Image 2:

I have the HP-IL internal module that fits into the HP-71B (HP 82401A), and an HP-IL/RS232C converter (HP 82164A), and an "HP-IL Interface Kit" (HP 82166C). I'm trying to figure out which one these bits go with.

image one is the Development Module for the HP-41 series.

They are both development modules,or did you just accidentally post two views of the same item? You can see the part number clearly shown in the second image on the first one as well.

(12-29-2016 12:33 AM)Paul Berger (Canada) Wrote: [ -> ]They are both development modules,or did you just accidentally post two views of the same item? You can see the part number clearly shown in the second image on the first one as well.

I intentionally posted two views of the same item. I have two but I think they're identical.