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I created an account just to reply to this. I used to operate one of these during my time as a lab tech at Purdue University. I think they still have one there.
Like 100yrs ago or so, they used to have X-ray machines in shoe stores, so people could get a nice fit. But they ended up giving people cancer.I guess it was basically just an X-ray photo machine, but still, at least it must have been fairly cheap.
Quote from: BarnowlsNest on May 23, 2023, 07:20:45 pmI created an account just to reply to this. I used to operate one of these during my time as a lab tech at Purdue University. I think they still have one there.Checking boards that students had built or?