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  2. Water wheel - Wikipedia

    en.wikipedia.org/wiki/Water_wheel

    A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal), with a number of blades or buckets arranged on the outside rim forming the driving car. Water wheels were still in commercial use well into ...

  3. Hamster wheel - Wikipedia

    en.wikipedia.org/wiki/Hamster_wheel

    Like other rodents, hamsters are highly motivated to run in wheels. A hamster wheel or running wheel is an exercise device used primarily by hamsters and other rodents, but also by other cursorial animals when given the opportunity. Most of these devices consist of a runged or ridged wheel held on a stand by a single or pair of stub axles.

  4. Pelton wheel - Wikipedia

    en.wikipedia.org/wiki/Pelton_wheel

    The Pelton wheel or Pelton Turbine is an impulse -type water turbine invented by American inventor Lester Allan Pelton in the 1870s. [1] [2] The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel. Many earlier variations of impulse turbines existed, but they ...

  5. Electrostatic generator - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_generator

    An electrostatic generator, or electrostatic machine, is an electrical generator that produces static electricity, or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest civilizations, but for millennia it remained merely an interesting and mystifying phenomenon , without a ...

  6. Glossary of North American railway terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_North_American...

    Turn off generator field (or notify the ground employee, depending on company-specific rules and locomotive type, that protection is provided). 10 wheeler (US) The 10-wheeler wheel arrangement A steam locomotive with a 4-6-0 wheel arrangement 241 (US) Procession of a train past a stop signal with verbal permission from the dispatcher.

  7. List of amusement rides - Wikipedia

    en.wikipedia.org/wiki/List_of_amusement_rides

    It was debuted at the 1984 New Orleans World's Fair, under the name "Cyclo Tower". 2003 Disk'O: The Disk'O (also known as Skater or Surf's Up) is a type of flat ride manufactured by Zamperla of Italy. The ride is a larger version of a Rockin' Tug, also manufactured by Zamperla. c.1910 Devil's wheel: 1943 Double Shot: Drop tower: 1972 Enterprise ...

  8. Tonewheel - Wikipedia

    en.wikipedia.org/wiki/Tonewheel

    Tonewheel. A tonewheel or tone wheel is a simple electromechanical apparatus used for generating electric musical notes in electromechanical organ instruments such as the Hammond organ and in telephony to generate audible signals such as ringing tone. It was developed by Thaddeus Cahill for the telharmonium c. 1896 and patented in 1897. [1]

  9. Wagon Wheel (song) - Wikipedia

    en.wikipedia.org/wiki/Wagon_Wheel_(song)

    Chris "Critter" Fuqua "Wagon Wheel" is composed of two different parts. The chorus and melody for the song comes from a demo recorded by Bob Dylan during the Pat Garrett and Billy the Kid sessions in February 1973. Although never officially released, the Dylan song was released on a bootleg recording, usually named after the chorus and its refrain, "Rock Me Mama". Dylan left the song an ...