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I have a few of these. Aluminum frame with gold slots and on the backside, medium length gold pins that had wire wrap. There is no board as such, just the aluminum frame holding the slots. Boardsort bought one about 6 years ago, but it was much larger, weighing 22 pounds and much longer heavier square pins. Note; It is after midnight, and I'm having trouble getting the pictures transferred and loaded and posted, so maybe tomorrow

You got rows of straight female wire wrap headers mounted on the aluminum. They might be only screwed down or pop riveted to the aluminum. You can remove the fasteners. Clean off wire wrapping. And pull the headers up through the aluminum. What is the gray substance between headers? It looks like foam insulation. Hopefully not glue.
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