Photo a Day Challenge



Leonardo designed the first ball bearing for a 15th century revolving stage production in Milan.

7 responses

  1. How interesting….love the repeating shapes and patterns. This in itself is a work of art!

    February 2, 2013 at 8:34 am

  2. Scott

    Are you going to share these with the museum? I bet they’d love to have such great photos of the exhibit once it’s gone.

    February 2, 2013 at 10:19 am

  3. judiclark

    I’m learning so much from your visit to the exhibits! This is another thing that I did not know that DaVinci did.

    February 2, 2013 at 10:40 am

  4. And what a great way to recycle empty cotton reels!

    February 2, 2013 at 5:10 pm

  5. What a brilliant mind! Thank you so much for sharing these gorgeous images. I wish I could visit that exhibit. Fascinating.

    February 2, 2013 at 7:00 pm

  6. Something else I never knew. What a genius!

    February 3, 2013 at 11:11 am

  7. I’m really enjoying your trip to this museum, learning a lot and your photos are a treat.

    February 3, 2013 at 3:43 pm

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