Shoe Fitting X-Ray Device

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I had never heard of this before.

In the late 1940’s and early 1950’s, the shoe-fitting x-ray unit was a common shoe store sales promotion device and nearly all stores had one. It was estimated that there were 10,000 of these devices in use….

The radiation hazards associated with shoe fitting x-ray units were recognized as early as 1950. The machines were often out of adjustment and were constructed so radiation leaked into the surrounding area.