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    calculable beneficent forces and agencies. For the first tim
    0:12

    calculable beneficent forces and agencies. For the first tim

     8.81K  views
    man had command of a steady supply of electricity without toil or effort
    0:11

    man had command of a steady supply of electricity without toil or effort

     8.8K  views
    he useful results obtainable previously53 from the current of a
    0:07

    he useful results obtainable previously53 from the current of a

     8.81K  views
    ctional machine were not much greater than those to b
    0:12

    ctional machine were not much greater than those to b

     8.8K  views
    e derived54 from the flight of a rocket. While the frictio
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    e derived54 from the flight of a rocket. While the frictio

     8.8K  views
    ppliance is still employed in medicine, it ranks with t
    0:09

    ppliance is still employed in medicine, it ranks with t

     8.8K  views
    int axe55 and the tinder-box in industrial obsolescence56. No art or tra
    0:17

    int axe55 and the tinder-box in industrial obsolescence56. No art or tra

     8.8K  views
    unded on it; no diminution57 of daily work or increase of dai
    0:16

    unded on it; no diminution57 of daily work or increase of dai

     8.8K  views
    mfort could be secured with it. But the little battery with
    0:15

    mfort could be secured with it. But the little battery with

     8.8K  views
    etal plates in a weak solution proved a perennial58 reser
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    etal plates in a weak solution proved a perennial58 reser

     8.8K  views