Oh, and I'm sorry in advance for those of you caught off guard with the nudity in the first video... oops! (WARNING: Nudity in first video!)
A Book Wheel
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The Bookwheel, invented in 1588 by Italian engineer Agostino Ramelli, was a
heavy, 600-pound wooden rotating bookcase that let scholars easily use up
to ei...
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1 comment:
That video had surprise nudity, and I was surprizled by it.
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