Codex Leicester (Leonardo Da Vinci)
SKU: 61075305509

Codex Leicester (Leonardo Da Vinci)

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Description

Codex Leicester (Leonardo Da Vinci)Codex Leicester Leonardo da Vincis Scientific Notebook The Codex Leicester is Leonardo da Vincis famous scientific notebook and one of the most important Renaissance scientific manuscripts ever written. This remarkable Codex Leicester manuscript offers a unique window into the mind of the Renaissance genius and reveals how Leonardo observed and studied the natural world. Written between 1506 and 1510, the notebook contains Leonardo da Vincis

Codex Leicester — Leonardo da Vinci’s Scientific Notebook

The Codex Leicester is Leonardo da Vinci’s famous scientific notebook and one of the most important Renaissance scientific manuscripts ever written. This remarkable Codex Leicester manuscript offers a unique window into the mind of the Renaissance genius and reveals how Leonardo observed and studied the natural world.

Written between 1506 and 1510, the notebook contains Leonardo da Vinci’s observations on water, astronomy, geology, fossils, and the movement of light and the moon. Through sketches, diagrams, and his characteristic Leonardo da Vinci mirror writing, the manuscript explores the laws of nature with extraordinary curiosity and scientific imagination.

The Codex Leicester is widely regarded as one of the most remarkable Leonardo da Vinci notebooks, demonstrating his fascination with the movement of water, the structure of rivers, erosion, fossils, and the brightness of the moon. The pages reveal how Leonardo combined observation, experimentation, and artistic skill to understand the natural world.

The manuscript became world-famous in 1994, when Bill Gates purchased the Codex Leicester at auction for $30.8 million, making it the most expensive book ever sold. Because of this historic purchase, the manuscript is often referred to as the Bill Gates Codex Leicester.

Unlike most Leonardo da Vinci manuscripts, which are preserved in European museums and libraries, the Codex Leicester remains the only Leonardo da Vinci notebook in private hands. Bill Gates has occasionally loaned the manuscript for exhibitions around the world, allowing the public to explore one of the most fascinating documents of Renaissance science.

Today the Codex Leicester continues to fascinate historians, scientists, collectors, and admirers of Leonardo da Vinci’s work. As both a scientific document and a Renaissance masterpiece, it remains one of the most important surviving examples of Leonardo da Vinci scientific studies and Renaissance manuscripts.

Key Features

• Original Codex Leicester manuscript written by Leonardo da Vinci
• Scientific notebook created between 1506 and 1510
• Studies on water, astronomy, geology, fossils, and natural phenomena
• Written in Leonardo’s characteristic mirror writing
• The most expensive book ever sold, purchased by Bill Gates in 1994
• One of the most important Renaissance scientific notebooks

Frequently Asked Questions

What is the Codex Leicester?
The Codex Leicester is a scientific notebook written by Leonardo da Vinci between 1506 and 1510. It contains studies on water, astronomy, geology, and natural phenomena.

Why is the Codex Leicester famous?
The Codex Leicester is famous because it is the only Leonardo da Vinci notebook in private hands and because it became the most expensive book ever sold when Bill Gates purchased it in 1994.

Why did Bill Gates buy the Codex Leicester?
Bill Gates purchased the Codex Leicester because of his admiration for Leonardo da Vinci’s scientific thinking and curiosity about the natural world.

Pages from the Codex Leicester

Below you can explore several Codex Leicester pages, revealing Leonardo da Vinci’s original handwritten notes, mirror-written text, and scientific sketches. These remarkable pages illustrate Leonardo’s investigations into water, astronomy, and natural phenomena, offering a rare insight into the scientific mind of one of history’s greatest thinkers.

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SKU: 61075305509

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Turkey
Carnegie, US
★★★★★ 4
very ergonomic
Color: Deep Black, Color: Deep Black
I bought this as a replacement for one of those gaming chairs that kills your back with a little lumbar pillow and this one is muuuuch better. the back support is everything you’d need and got rid of my neck pain after long periods of sitting and the seat cushion is supportive but still comfortable. It’s the kind of chair that you don’t really think about much because it’s so natural to sit in that you forget it’s there. The armrests flipping is a really nice feature too. One star off only because the head rest is so far back that i can’t really rest my head on it and every part of the chair that’s cloth is made of the same mesh texture like the armrests and seat. but i have no other complaints this is a good chair
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Reviewed in the United States on March 14, 2026
E
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Elva
Draper, US
★★★★★ 5
Comfortable Ergonomic Chair for Long Workdays
Color: Black, Color: Black
I’ve been using this chair for my home office, and it’s been a great addition to my workspace. The seat cushion is thick and comfortable, even after several hours of sitting, and the mesh back keeps good airflow throughout the day. I especially like the adjustable headrest, which provides extra neck support when leaning back during breaks. Assembly was straightforward, the chair feels sturdy, and the wheels roll smoothly on my floor. The all-black design also gives it a professional look that fits well in any office setup. Overall, it’s a comfortable and affordable ergonomic chair that offers excellent value for the price.
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Reviewed in the United States on May 28, 2026
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Emily Hopman
Louisville, US
★★★★★ 3
Sturdy but uncomfortable
Color: Black
The seat itself is sturdy and easy to put together, I’ve now had the product for 8 months and had no issues wear/tear despite nearly daily use, but… it’s not comfy, at all. The seat cushion has a texture to it that scrapes at my legs if I don’t have an extra pillow on it or am wearing shorts. Additionally, the seat pillow is just kind of hard. It doesn’t give very much at all, so if I sit on it for more than an hour or two at a time my butt starts to get really sore. It works as a budget option, but invest in a good seat pillow if you plan to sit in it for any length of time.
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Reviewed in the United States on April 29, 2026
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Jade20
Charlottesville, US
★★★★★ 5
A chair that does the job
Color: Black, Color: Black
I’m really happy with this chair overall. I wanted something comfortable, sturdy, breathable, and spacious enough for long hours at my desk when I work from home, and this chair delivered. I’d easily give this chair five stars because it exceeded my expectations in comfort, quality, and overall value. Comfort and Support The mesh back keeps it cool and comfortable during extended use. One of my favorite features is the adjustable lumbar support. You can manually position it exactly where your lower back needs support, and it fits the curve of my back perfectly. It provides great support without feeling too firm or uncomfortable. Build Quality and Design The chair itself feels solid and well-built. It doesn’t creak or make noise when shifting around, which makes it feel stable and high-quality. The seat is roomy and comfortable, and the overall design looks clean and modern. Easy Assembly It also came with an instruction manual that was extremely simple to follow, and assembly was very easy. I was able to put the chair together by myself in about 20 minutes without any help. Armrest Functionality I also like the armrests. They aren’t adjustable by height, but they do flip all the way up, which is surprisingly convenient. You can easily slide the chair under a desk or use it as an armless chair when needed. Packaging and Presentation Another thing worth mentioning is the packaging. Everything arrived extremely well-packed. Every individual part of the chair was wrapped securely, including bubble wrap protection for the components. The hardware and accessories were neatly organized, and the chair even came with the necessary tools for assembly in case you don’t own a drill or tool set. The presentation and packaging were excellent and showed real attention to detail. Overall Impression Overall, this is a fantastic office chair for the price: comfortable, supportive, sturdy, easy to assemble, and packaged exceptionally well. I’d absolutely recommend it and would confidently give it a five-star rating.
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Reviewed in the United States on May 23, 2026
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Melissa Alvarado
Pawtucket, US
★★★★★ 5
Solid quality and comfortable
Color: Light Grey, Color: Light Grey
Wonderful quality chair, solid and sturdy, it was easy to put together, the directions were very clear and all the pieces fit together perfectly without issue. It is made of breathable material and I love that the arms flip up easily. You can raise it up or down and it has an adjustable headrest. It also has adjustable lumber support. It rolls easily and the color is the only reason I might return, I think I want a different one instead. The chair is comfortable for a petite person but equally comfortable for a tall person. We have both in our family and it is great for both. The armrests are comfortable and there is really nothing negative to say about this chair at all. Considering the quality, it is a great value for the money.
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Reviewed in the United States on April 15, 2026

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