Idea of Leonardo da Vinci - horizontal ball bearing

[tyranords]

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

[MsMadwelder]

ахуеть деревянный подшипник!сам придумал или как?

[leafboyhk]

Really ? hundreds of years ago @@

[RoyalPrussian]

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

[kvnfln9000]

@RoyalPrussian almost.

[RoyalPrussian]

@kvnfln9000 this is one of them

[leafboyhk]

I didn't know that too~~ ,

So smart of Leonardo da Vinci

[sittiz]

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