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Idea of Leonardo da Vinci - horizontal ball bearing

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Uploaded by on Jul 19, 2009

Leonardo da_Vinci 佛羅倫斯

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Travel & Events

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Standard YouTube License

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Uploader Comments (leafboyhk)

  • Really ? hundreds of years ago @@

  • I didn't know that too~~ ,

    So smart of Leonardo da Vinci

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All Comments (7)

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  • was this in michagan? my gradad works at a museum that had the same exhibit

  • ахуеть деревянный подшипник!сам придумал или как?

  • @kvnfln9000 this is one of them

  • @RoyalPrussian almost.

  • Romans invented almost everything Leonardo did hundreds of years ago :3

  • hmmm, I didn't know that, thanks for sharing this.

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