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Audio information stored in the undulations of grooves in a medium such as a phonograph disc record or cylinder may be reconstructed, without contact, by measuring the groove shape using…
Hobbies & Interests
Part 1 Recently I got the urge to buy an early Edison cylinder phonograph. I’d seen plenty of photos of them in the CLPGS magazines and read many articles on the subject, and was keen to…
Let the next discovery lead you somewhere unexpected.
Discovered and summarized by LinkLens. We credit and link to the original creators; summaries are not independent fact-checks. Connections appear only when supported by our published discovery records.