“Bone Records” — How Forbidden Jazz And Rock Were Smuggled Into The Soviet Union On X-Ray Film

It turns out that X-ray film was just soft enough to be etched on by an electromechanical lathe. So one could take exposed X-ray film (with images of bones), trim it into the shape of a vinyl record, then use a recording device to cut a bootleg recording onto the film. – The Conversation

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