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Codex Madrid I (Leonardo Da Vinci)The Madrid Codex I. (1490 1505) 1 The Madrid Codex I, also known as "Treatise on Statics and Mechanics" or "Madrid Codex of Leonardo da Vinci", is an important manuscript written by the famous Renaissance polymath Leonardo da Vinci. This codex is part of the Leonardo da Vinci manuscript collection and is preserved in the National Library of Spain in Madrid. The Madrid Codex I is a collection of notes and drawings that Leonardo da Vinci made between
The Madrid Codex I. (1490-1505)
1- The Madrid Codex I, also known as "Treatise on Statics and Mechanics" or "Madrid Codex of Leonardo da Vinci", is an important manuscript written by the famous Renaissance polymath Leonardo da Vinci. This codex is part of the Leonardo da Vinci manuscript collection and is preserved in the National Library of Spain in Madrid.
The Madrid Codex I is a collection of notes and drawings that Leonardo da Vinci made between 1490 and 1505, focusing mainly on various aspects of statics and mechanics. It contains numerous detailed diagrams and drawings that explore mechanical concepts, such as levers, pulleys, gears and simple machines. In addition, it delves into questions related to statics, such as the equilibrium of forces and the resistance of materials, as well as annotations on optics and astronomy.
We can find, for example, sketches for an equestrian monument to the Sforza, notes for a water clock and also a design for a hang glider that, as it would later be demonstrated, flew.
The title page reads:
'Treatise on Statics and Mechaanics, in Italian, written in the year 1493, as seen at the turn of folio 11. It contains 191 folios and is written upside down'.
This codex constitutes a valuable source of information on Leonardo da Vinci's studies in the field of engineering and mechanics. It offers a unique insight into his scientific and artistic approach, and provides an understanding of how he sought to understand the workings of machines and apply this knowledge to the construction of practical devices. As indicated in the title, it is written in Leonardo's characteristic inverted handwriting.
Leonardo da Vinci's Codex Madrid I is just one of the many notebooks and codices he left behind, all of which are considered treasures in the history of science and technology. His work influenced numerous fields, from engineering to anatomy, and his legacy endures as one of the cornerstones of Italian Renaissance scientific thought and research.
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★★★★★ 5
Toy
Color: blue
The dog loves them
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Great for toy destroyers!
Color: blue
Got a destructive dog?
These are the best toys ever! Our girl gets at least a week or sometimes 2 out of each toy. She can destroy a typical dog toy in under 30 min. She loves these!!
BIG PLUS.... no fluff to clean up!!!!
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Reviewed in the United States on February 17, 2026
★★★★★ 4
Dog toy
Color: brown
My Goldie loves her alligator. It quick and makes a paper sound. Strong material and pretty colors. Now, shes not a destroyer.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great for heavy chewers!
Color: blue
Quality is great! They were bigger than I expected too. My heavy/aggressive chewers haven’t made a tear in them at all and it’s been a day! IYKYK Highly recommended.
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Reviewed in the United States on March 7, 2026
★★★★★ 2
Plastic stuffing in it
Color: blue
I was concerned when I started finding little pieces of plastic wrap around my house. Where did it come from, I wondered? When my puppy is shark “no stuffing” toy to me, I found the source! The fin he ripped off that crinkled was full of little plastic pieces of plastic wrap. And it was all over the houses.
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Reviewed in the United States on April 14, 2026