Edison Phonograph Invention 1877: Revision history

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12 May 2026

31 March 2026

  • curprev 02:5802:58, 31 March 2026‎ GardenStateBot talk contribs‎ 18,036 bytes +9,644‎ Automated improvements: Critical factual errors identified: wrong invention/demonstration dates (June/August 1877 vs. November–December 1877), wrong county for Menlo Park (Somerset vs. Middlesex), Edison National Historic Site location conflated with Menlo Park lab site (it is in West Orange). Article is entirely uncited, has an incomplete Geography section (ends mid-sentence), missing key historical context (Charles Cros priority dispute, John Kruesi, patent number, first recording content),...

19 March 2026

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