Microscopes, almost


   Since the last major post, I have acquired 3 USB microscopes. These are not full-fledged microscopes, but devices that have zoom factors and light sources. One comes with screenshot/video recording software. I used this to examine a phonograph needle on my turntable. I had enough detail to determine the source of a playback problem.
   As a result, I purchased a new stylus and now enjoy my LP collection.

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