Codex Leicester

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For the Greek minuscule manuscript of the New Testament also known as Codex Leicester, see Minuscule 69.


Codex Leicester
Codex Hammer
Vinci - Hammer 2A.jpg
Page of the Codex Leicester
Author Leonardo da Vinci
Country Florence, Italy
Language Italian
Genre Handwriting
Published 1510 (1504-1508)
Pages 72 (36 sheets)

The Codex Leicester (also briefly known as Codex Hammer) is a collection of famous scientific writings by Leonardo da Vinci. The Codex is named after Thomas Coke, later created Earl of Leicester, who purchased it in 1719. Of Leonardo's 30 scientific journals, the Codex may be the most famous of all. The manuscript holds the record for the sale price of any book, when it was sold to Bill Gates at Christie's auction house on 11 November 1994 in New York for US$30,802,500.[1][2]

The Codex provides an insight into the inquiring mind of the definitive Renaissance artist, scientist and thinker as well as an exceptional illustration of the link between art and science and the creativity of the scientific process.[citation needed]

Overview

The manuscript does not take the form of a single linear script, but is rather a mixture of Leonardo's observations and theories on astronomy; the properties of water, rocks, and fossils; air, and celestial light. The topics addressed include:

  • an explanation of why fossils can be found on mountains. Hundreds of years before plate tectonics became accepted scientific theory, Leonardo believed that mountains had previously formed sea beds, which were gradually lifted until they formed mountains.
  • the movement of water. This is the main topic of the Leicester Codex. Among other things, Leonardo wrote about the flow of water in rivers, and how it is affected by different obstacles put in its way. From his observations he made recommendations about bridge construction and erosion.
  • the luminosity of the moon. Leonardo speculated that the moon's surface is covered by water, which reflects light from the sun. In this model, waves on the water's surface cause the light to be reflected in many directions, explaining why the moon is not as bright as the sun. Leonardo explained that the pale glow on the dark portion of the crescent moon is caused by sunlight reflected from the Earth. Thus, he described the phenomenon of planetshine one hundred years before the German astronomer Johannes Kepler proved it.

The Codex consists of 18 sheets of paper, each folded in half and written on both sides, forming the complete 72-page document. At one time the sheets were bound together, but they are now displayed separately. It was handwritten in Italian by Leonardo, using his characteristic mirror writing, and supported by copious drawings and diagrams.

Renamings

The Codex was purchased from the Leicester estate in 1980 by wealthy industrialist and art collector Armand Hammer, who purchased the manuscript at auction, for $5.1 million, later renaming the notebook Codex Hammer.[3] Hammer commissioned Leonardo da Vinci scholar, Dr. Carlo Pedretti, to compile the loose pages of the codex back into its original form. Over the next 7 years Dr. Pedretti translated each page to English, completing the project in 1987.

Recent history

The Codex was sold to Bill Gates by Christie's auction house on 11 November 1994 in New York for US$30,802,500.[2] After Gates acquired the Codex, he had its pages scanned into digital image files, some of which were later distributed as screen saver and wallpaper files on a CD-ROM as part of a Microsoft Plus! for Windows 95 desktop theme, which would later be included with Windows 98 and Windows ME. A comprehensive CD-ROM version (simply titled Leonardo da Vinci) was released by Corbis in 1997.

The Codex Leicester has been unbound with each page individually mounted between glass panes. It is put on public display once a year in a different city around the world. In 2000, it was displayed at Sydney's Powerhouse Museum.[4] In 2004, it was exhibited in the Château de Chambord, and in 2005 in Tokyo. One page was exhibited at the Seattle Museum of Flight's 2006 exhibit "Leonardo da Vinci: Man, Inventor, Genius". From June to August 2007, the Codex was the centerpiece of a two-month exhibition hosted by the Chester Beatty Library in Dublin, Ireland. The Codex was on view at the Phoenix Art Museum in Phoenix, Arizona from January 24, 2015 through April 12, 2015 for the exhibition Leonardo Da Vinci's Codex Leicester and the Power of Observation. Its presentation at Phoenix Art Museum will be the first time a work by the hand of Leonardo himself will be on view in Arizona.[5] The Codex was then on view at the Minneapolis Institute of Arts in an exhibition Leonardo Da Vinci, the Codex Leicester, and the Creative Mind that opened June 21, 2015, where it remained on display until August 30, 2015.[6] As part of the same tour, the Codex Leicester was also on display at the North Carolina Museum of Art in Raleigh, North Carolina from October 31, 2015 to January 17, 2016.[7]

Owners

See also

References

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Further reading

External links

ja:レオナルド・ダ・ヴィンチ手稿

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