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  2. Telephone magneto - Wikipedia

    en.wikipedia.org/wiki/Telephone_magneto

    A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature. In early telegraphy , magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and activate signals ...

  3. Magneto - Wikipedia

    en.wikipedia.org/wiki/Magneto

    Swedish telephone (ca. 1896) with the hand crank of the magneto on the right side Manual telephones for local battery station service in magneto exchanges were equipped with a hand-cranked magneto generator to produce an alternating voltage to alert the central office operator, or to ring the bells of other telephones on the same (party) line .

  4. Freeplay Energy - Wikipedia

    en.wikipedia.org/wiki/Freeplay_Energy

    In present Freeplay radios and other products, clockwork mechanisms storing energy in a mainspring have now been replaced by small batteries charged by cheaper hand-crank generators. [9] Freeplay Energy produces a variety of consumer devices in addition to radios, including flashlights, lanterns, mobile phone chargers, and foot-powered generators.

  5. Crank (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Crank_(mechanism)

    According to F. Lisheng and T. Qingjun, the hand-crank of the rotary quern was different from a crank, which was the combination of a hand-crank and a push-and-pull connecting rod by a hinge. [7] The Antikythera mechanism, dated to around 200 BC, [25] [26] used a crank as a part of its mechanism. [27]

  6. 7-foot-9-inch teen not expected to play college basketball ...

    www.aol.com/news/7-foot-9-inch-teen-160036681.html

    PHOTO: Olivier Rioux, 7-foot-9 NCAA college basketball player at Forida, poses after practice, Oct. 18, 2024 in Gainesville, Fla. (John Raoux/AP)

  7. Human power - Wikipedia

    en.wikipedia.org/wiki/Human_power

    U.S. soldiers using a GN-45 hand crank generator to power their radio set during World War II During World War II , U.S. troops sometimes employed hand crank generators, GN-35 and GN-45, to power Signal Corps Radio transmitter/receivers . [ 10 ]

  8. Couple shock relatives with cake message revealing pregnancy

    www.aol.com/couple-shock-relatives-cake-message...

    A Nashville, Tennessee, couple shocked their family members with their pregnancy reveal and a video of the relatives' reactions has quickly gone viral. Olivia Walker's TikTok post has picked up ...

  9. Dreaming of a White Christmas? Here's the 'Old Farmer's ...

    www.aol.com/dreaming-white-christmas-heres-old...

    The 'Old Farmer's Almanac' Christmas weather predictions are here, and it looks like it will be a mild holiday. Here's what to expect on December 25 in 2024.

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