A gallery of images from the book “Open Circuits”. Fascinating to see what’s in these cables, tubes, and integrated circuits.
https://opencircuitsbook.com/#oc-gallery
A stereo jack and plug
A USB-C cable cross-section:
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I used to follow some network cable porn posters on Twitter and used to love some of the photo’s of perfectly run but not yet live cabinet’s.
Then there was the carnage like these classics 
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“Unparalleled Premium Point To Point Hand Wired”
Good Stuff!
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Everything works as long as you don’t pull anything out 
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I’d love to try to troubleshoot those disasters, ummm nope.
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Some point-to-point tag wiring from the 60s. The underneath of my unrestored Leak Stereo 20 valve amp, before it makes its debut on eBay. Bought to restore but I’m no longer interested in doing it anymore. I have the matching Varislope pre-amp too but don’t have a pic of the internals yet. If anyone in the UK is interested in purchasing please PM me.
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Haha! Reminds me of some of the Central Offices when I worked for BellSouth Telephone in the 2000s. It is amazing how people just don’t care. Thanks for the memory!
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OK, I’ll bite. Here’s a SPDIF input DAC I built over a decade ago when my streaming was all airport express based:
Sheldon
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