About 40 or 50 years ago Radio Shack, as it was becoming well known apart from it's affiliation with Tandy, would advertise early circuit boards in a type of surplus "grab bag" format. They'd put photos in the ads of the boards in a bunch, as you'd see in Stamp or coin ads, and it was enough to make most of em drool over the thought of digging through them looking for "treasures". Kids in school then would love the opportunity to sort through those boards, looking for certain transistors etc to use in their little garage projects, building a radio or something. You could possibly do the very same with these with the same basic effect, if you're not too hasty in getting some pocket change
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