The Codex Windsor is a collection of
manuscript
A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand – or, once practical typewriters became available, typewritten – as opposed to mechanically printed or reproduced ...
sheets with artistic drawings and anatomical studies by the Italian Renaissance artist
Leonardo da Vinci
Leonardo di ser Piero da Vinci (15 April 14522 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, Drawing, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially re ...
.
Name
The Codex Windsor owes its name to its preservation in the
Royal Collection
The Royal Collection of the British royal family is the largest private art collection in the world.
Spread among 13 occupied and historic royal residences in the United Kingdom, the collection is owned by King Charles III and overseen by the ...
at
Windsor Castle
Windsor Castle is a royal residence at Windsor in the English county of Berkshire. It is strongly associated with the English and succeeding British royal family, and embodies almost a millennium of architectural history.
The original c ...
, where it has been since the 17th century.
Content
The collection now comprises 606 individually catalogued sheets in various formats. The sheets of the
codex
The codex (plural codices ) was the historical ancestor of the modern book. Instead of being composed of sheets of paper, it used sheets of vellum, papyrus, or other materials. The term ''codex'' is often used for ancient manuscript books, with ...
are dated to the period between 1478 and 1518.
The texts and commentaries were written by Leonardo in
mirror script. The sheets contain contributions to art and painting, studies of people, animals, plants, and landscapes, as well as mechanics, weaponry, and anatomy.
The 153 sheets of
anatomical drawings were previously grouped into three volumes: Anatomical Manuscript A (18 sheets), B (42 sheets), and C (93 sheets). Anatomical manuscript C was in turn divided into six anatomical quires, the .

The image (left) shows the fetus in the right position within the excised uterus. Leonardo also accurately drew the uterine arteries and the vascular system of the cervix and vagina.
To prepare for these drawings, Leonardo studied human embryology with the help of the anatomist
Marcantonio della Torre Marcantonio della Torre (1481–1511) was a Renaissance Professor of Anatomy who lectured at the University of Pavia and at the University of Padua.
It is believed that della Torre and Leonardo da Vinci, who studied the human anatomy by dissecting c ...
and saw a fetus in a dissected corpse.
History
Leonardo da Vinci began studying the anatomy of the human body in the late 1470s and may have participated in the first
dissections
Dissection (from Latin ' "to cut to pieces"; also called anatomization) is the dismembering of the body of a deceased animal or plant to study its anatomical structure. Autopsy is used in pathology and forensic medicine to determine the cause ...
at the
University of Padua
The University of Padua ( it, Università degli Studi di Padova, UNIPD) is an Italian university located in the city of Padua, region of Veneto, northern Italy. The University of Padua was founded in 1222 by a group of students and teachers from ...
. His records indicate that he began performing
autopsies
An autopsy (post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause, mode, and manner of death or to evaluate any dis ...
himself around 1505.
By the year 1518, he reported that he had performed a total of thirty
autopsies
An autopsy (post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause, mode, and manner of death or to evaluate any dis ...
during his lifetime. He seems to have been particularly interested in the movement and function of
internal organs
In biology, an organ is a collection of tissues joined in a structural unit to serve a common function. In the hierarchy of life, an organ lies between tissue and an organ system. Tissues are formed from same type cells to act together in a ...
.
Leonardo's drawings show representations of the entire human body in various stages of
dissection
Dissection (from Latin ' "to cut to pieces"; also called anatomization) is the dismembering of the body of a deceased animal or plant to study its anatomical structure. Autopsy is used in pathology and forensic medicine to determine the cause ...
, as well as individual limbs and organs.
He drew body parts through multiple incisions and is therefore often considered the historical founder of
tomographic imaging
Tomography is imaging by sections or sectioning that uses any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, cosmochemistry, a ...
in medicine. It is mentioned that the Codex Windsor also deals with Leonardo's incessant study of horses, their movements, their postures, etc.
After Leonardo's death most of his manuscripts and drawings were kept at his villa near
Vaprio d'Adda
Vaprio d'Adda (Milanese: ; Bergamasque: ; locally ) is a ''comune'' (municipality) in the Metropolitan City of Milan in the Italian region Lombardy, about northeast of Milan.
Vaprio d'Adda borders the following municipalities: Trezzo sull'Adda ...
, Lombardy, by his student and heir
Francesco Melzi
Francesco Melzi, or Francesco de Melzi (1491–1570), was an Italian painter born into a family of the Milanese nobility in Lombardy. He became a pupil of Leonardo da Vinci and remained as his closest professional assistant throughout his career ...
.
His son, Orazio Melzi, inherited the documents in 1570. Around 1590, Orazio Melzi sold over 2,500 individual sheets to the sculptor and art collector
Pompeo Leoni
:''For the early 17th-century composer, see Leone Leoni (composer)''.
Leone Leoni (ca. 1509 – 22 July 1590) was an Italian sculptor of international outlook who travelled in Italy, Germany, Austria, France, Spain and the Netherlands. Leoni is r ...
.
Leoni attempted to organize the manuscripts thematically, separating Leonardo's artistic ideas from his technical and scientific drawings.
He cut out sheets and glued together others that were not originally part of the whole.
In this way, he grouped Leonardo's anatomical drawings with other manuscripts on different subjects into several volumes, which were later given the name Codex Windsor.
The origins of the Codex Windsor in the Royal Collection are still unclear. It was probably acquired by
Charles I Charles I may refer to:
Kings and emperors
* Charlemagne (742–814), numbered Charles I in the lists of Holy Roman Emperors and French kings
* Charles I of Anjou (1226–1285), also king of Albania, Jerusalem, Naples and Sicily
* Charles I of ...
or
Charles II in the 17th century. However, it is known that
Mary II
Mary II (30 April 166228 December 1694) was List of English monarchs, Queen of England, List of Scottish monarchs, Scotland, and Monarchy of Ireland, Ireland, co-reigning with her husband, William III of England, William III & II, from 1689 unt ...
showed the codex to the Dutch statesman
Constantijn Huygens
Sir Constantijn Huygens, Lord of Zuilichem ( , , ; 4 September 159628 March 1687), was a Dutch Golden Age poet and composer. He was also secretary to two Princes of Orange: Frederick Henry and William II, and the father of the scientist C ...
at
Kensington Palace in 1690.
References
Bibliography
*
*
*
External links
*
{{Leonardo da Vinci
Codices by Leonardo da Vinci
Drawings by Leonardo da Vinci
Prints and drawings in the Royal Collection of the United Kingdom