Facts about Codex Leicester

1. 05

   Displayed publicly by Bill Gates, the Codex Leicester is written on sheets of fine linen paper rather than vellum or parchment.

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2. 04

   Named after the Earl of Leicester, who once owned it, the manuscript is also known as the Codex Hammer after a previous owner, Armand Hammer.

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3. 03

   Written around 1508–1510, the Codex Leicester consists of 72 pages of Leonardo da Vinci's observations written in his characteristic mirror script.

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4. 02

   The Codex Leicester is a scientific manuscript written by Leonardo da Vinci, containing his observations on water, rocks, fossils, and the movement of celestial bodies.

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5. 01

   Bill Gates purchased the Codex Leicester at auction in 1994, making it one of the most expensive books ever sold.

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