Covert Soviet albums etched into discarded x-rays
In the USSR and Eastern Europe in the 1950s underground night spots would play music pirated from the west. The only media they had were recorders etched into discarded X-ray film. I've long sought some images. Researcher Camille Cloutier pointed me to these, collected and posted by J�zsef Hajd�. Here's what he says about them:
During the late 1930s and early 1940s the prevalent sound recording apparatus was the wax disk cutter. As a consequence of the lack of materials in the war-time economy, some inventive sound hunters made their own experiments with new materials within their reach.
