Search results
Results from the WOW.Com Content Network
The Clapper is a sound-activated electrical switch, [1] sold since 1984 by San Francisco, California based Joseph Enterprises, Inc. Joseph Pedott marketed the clapper with the slogan "Clap On! Clap Off! The Clapper!". [2] The Clapper plugs into a U.S.-type electrical outlet, and allows control of up to two devices plugged into the Clapper. [3]
The bell will eventually stop when the dry piles have distributed their charges equally if the clapper does not wear out first. [5] [6] The Bell has produced approximately 10 billion rings since 1840 and holds the Guinness World Record as "the world's most durable battery [delivering] ceaseless tintinnabulation". [2]
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
The result was a constant "trembling" of the clapper during the period that the radio signal was on, during the "dots" and "dashes" of the Morse code signal. An automatic braking system for rail locomotives, patented in 1907, used a coherer to detect electrical oscillations in a continuous aerial running along the track.
Larger bells may be swung using electric motors. In some places, such as the Salzburg Cathedral, the clapper is held against the sound bow with an electric clasp as the bell swings up. The clasp would release the clapper to provide a cleaner start to ringing. To silence the bell, the clasp catches and locks the clapper back in place. [14]
Clapper (musical instrument), consisting of two pieces of wood struck together; Clapper bridge, an ancient form of bridge; Clapper Post, urban postal service in 18th century Vienna; Clapperboard, used in film production to aid synchronizing audio and video and to identify different shots; The Clapper, a sound activated electrical switch
The clapper on an English handbell is on a hinge and moves back and forth in a single direction, unlike a school bell in which the clapper swings freely in any direction. It also has a spring that holds the clapper away from the casting after the strike to allow the bell to ring freely.
Petersglocke with new clapper and ringing engines Sound of the bell Trial ringing on October 30, 2018 with new clapper suspension. Petersglocke (pronounced [ˈpeːtɐsˌɡlɔkə]; English: "[Saint] Peter's bell"), commonly referred to as Dicker Pitter (German: [ˈdɪkɐ ˈpɪtɐ]; Kölsch: Decke Pitter or Dekke Pitter, pronounced [ˈdekə ˈpitˑɐ] ⓘ; [help does not use "ˑ"] i.e. "Fat/Big ...