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  1. www.britannica.com › technology › phonographPhonograph | Definition, Invention, Parts, & Facts | Britannica

    8. Juni 2024 · Phonograph, also called a record player, instrument for reproducing sounds by means of the vibration of a stylus, or needle, following a groove on a rotating disc. The invention of the phonograph is generally credited to Thomas Edison (1877). Learn more about phonographs in this article.

  2. www.wissenschaft-aktuell.de › artikel › Was_die_ersteWas die erste sprechende Puppe sagen wollte - Wissenschaft...

    Vor 4 Tagen · Berkeley (USA ) - Vor 123 Jahren erfand Thomas Alva Edison die erste sprechende Puppe der Welt - die auf dem Markt allerdings floppte, weil sie zu leicht zerbrach. Doch was dieses Spielzeug zu sagen hatte, ist jetzt erstmals seit Edisons Lebzeiten wieder zu hören.

  3. www.planet-schule.de › schwerpunkt › mein-traum-meineThomas Alva Edison: der Erfinder | Unterricht - Planet Schule

    19. Juni 2024 · Anhand des Vorbildes von Thomas Alva Edisons lösungsorientiertem Denken und seinem ausgeprägten Selbstbewusstsein, das sogar seine Schwächen in Stärken verwandelt, entwickeln die Schüler:innen unter anderem ein positives Selbstkonzept und stärken ihre eigene Persönlichkeit.

  4. www.britannica.com › technology › telegraphTelegraph | Invention, History, & Facts | Britannica

    5. Juni 2024 · In 1837 the British inventors Sir William Fothergill Cooke and Sir Charles Wheatstone obtained a patent on a telegraph system that employed six wires and actuated five needle pointers attached to five galvanoscopes at the receiver.

  5. en.wikipedia.org › wiki › Ernest_JErnest J. King - Wikipedia

    Vor 2 Tagen · In March, April and May 1940, King accompanied the Secretary of the Navy, Charles Edison, Edison's naval aide, Captain Morton L. Deyo, and Edison's friend Arthur Walsh on a six-week tour of naval bases in the Pacific.

  6. www.britannica.com › biography › Nikola-TeslaNikola Tesla | Biography, Facts, & Inventions | Britannica

    16. Juni 2024 · Tesla sailed for America in 1884, arriving in New York with four cents in his pocket, a few of his own poems, and calculations for a flying machine. He first found employment with Thomas Edison, but the two inventors were far apart in background and methods, and their separation was inevitable.

  7. mainspringpress.orgAmerican Sound-Recording History from Mainspring Press

    15. Juni 2024 · Arthur Walsh to Charles Edison (October 12, 1929) On or about 1912 the Edison Industries began to manufacture and sell the disc type of record and from that date to this, as far as I can estimate, it has always been a losing business.