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  2. School bell - Wikipedia

    en.wikipedia.org/wiki/School_bell

    School bell visible in St Johns School, Sydney, Australia (1872) Typical School bell in Austria (1978-2021) Sound of a School bell in Austria The ringing of a school bell announces important times to a school's students and staff, such as marking the beginnings and ends of the school day, class periods, and breaks.

  3. Electronic carillon - Wikipedia

    en.wikipedia.org/wiki/Electronic_Carillon

    While a traditional carillon uses actual bells, electronic systems simulate a bell sound in several ways By striking semantra (rectangular metal bars roughly the diameter of a pencil, but of varying lengths) with an electric solenoid. By striking tubular bells similarly; By playing back a previously recorded bell sound

  4. Visible Speech - Wikipedia

    en.wikipedia.org/wiki/Visible_Speech

    Visible Speech is a system of phonetic symbols developed by British linguist Alexander Melville Bell in 1867 to represent the position of the speech organs in articulating sounds. Bell was known internationally as a teacher of speech and proper elocution and an author of books on the subject.

  5. Electric bell - Wikipedia

    en.wikipedia.org/wiki/Electric_bell

    The most widely used form is the interrupter bell, which is a mechanical bell that produces a continuous sound when current is applied. See animation, above. The bell or gong (B), which is often in the shape of a cup or half-sphere, is struck by a spring-loaded arm (A) with a metal ball on the end called a clapper, actuated by an electromagnet ...

  6. Carillon - Wikipedia

    en.wikipedia.org/wiki/Carillon

    A carillonneur plays the 56-bell carillon of the Plummer Building, Rochester, Minnesota, US The 56-bell carillon of Saint Joseph's Oratory, Montreal, Quebec, Canada [1]. A carillon (US: / ˈ k ær ə l ɒ n / KARR-ə-lon, UK: / k ə ˈ r ɪ l j ən / kə-RIL-yən [2] [3]) is a pitched percussion instrument that is played with a keyboard and consists of at least 23 bells.

  7. Clock chime - Wikipedia

    en.wikipedia.org/wiki/Clock_chime

    The practice of using bells to mark time dates at least to the time of the early Christian church, which used bells to mark the "canonical hours". [2] An 8th-century Archbishop of York gave his priests instructions to sound church bells at certain times, and by the 10th century Saint Dunstan had written an extensive guide to bell-ringing to mark the canonical hours.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Electronic media - Wikipedia

    en.wikipedia.org/wiki/Electronic_media

    Although the term is usually associated with content recorded on a storage medium, recordings are not required for live broadcasting and online networking. Any equipment used in the electronic communication process (e.g. television , radio , telephone , game console , handheld device ) may also be considered electronic media.

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