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Student Artwork Guide

Cannon foundry

Name Class Date

Leonardo da Vinci, Cannon foundry (1487), Royal Library. Public domain. See this canvas under a moving light: the drawing, the true colour under the varnish, the bare pigment

The facts

Artist
Leonardo da Vinci wahooart.com/en/artists/leonardo-da-vinci/
Artist’s dates
1452 – 1519
Painted
1487
Medium
Ink On Paper
Movement
Early Renaissance The first generation to rebuild depth and lifelike bodies in painting after the Middle Ages.
Period
Renaissance
Held at
Royal Library wahooart.com/en/museums/royal-library-windsor/
Artistic style
Realistic, detailed
Notable elements or techniques
Detailed penwork, hatching
Subject or theme
Weapon production, engineering

In context

Cannon foundry — Leonardo da Vinci

When was this painted?

  1. 1450
  2. 1460
  3. 1470
  4. 1480
  5. 1490
  6. 1500
  7. 1510

Row above: the years. Row below: how old the artist was at the start and at the end of each span — 0 at birth, 67 at death.

Painted when the artist was 35. The artist lived to 67. 96 of the 395 dated works by this artist in our catalogue came earlier.

Shaded: the lifetime of Leonardo da Vinci (1452–1519) ▲ this work, 1487 every dated painting, decade by decade

First works: up to 1487 Main working years: 1487–1506 Late works: from 1506

Those three bands split the works this catalogue has a date for into a first quarter, a middle half and a last quarter. They are not the artist’s complete output: a thin stretch may be a gap in the record rather than a quiet spell. The same years with the artist’s life laid along them

Compare with

Pick one work above: name two things it shares with this one, and one thing that's different.

More works to set beside this one: wahooart.com/en/art/similar/leonardo-da-vinci-cannon-foundry-8XZP9G-en/

Colours

Measured from the image

    Main colour

    Quinacridone Magenta #705845

    Catalogued palette

    • #705845
    • #D5BEA2
    • #F0E0C7
    • #AB937B

    These colours inside the artist’s whole palette Find other paintings by colour

    Palette
    Neutrals The dominant colour family in the image.
    Main colour name
    Quinacridone Magenta
    Intensity
    Balanced How saturated and varied the colours are, from a single toned-down hue to many bright ones.
    Contrast
    Gentle How much the colours differ in lightness and saturation across the picture.
    Harmony
    Unified Palette How well the colours work together, from clashing to fully unified.
    Brightness
    Brilliant How light or dark the picture reads overall, from deep shadow to bright highlight.
    Saturation
    Subtle Color How pure and strong the colours are, from near-grey to fully vivid.

    Where in the world is this painting looked at?

    • under 1%
    • 1–3%
    • 3–8%
    • 8–20%
    • 20% and over
    This painting alone has too few recorded visitors to map, so the plate reads every work by Leonardo da Vinci over the last twelve months — 113 countries in all. Where these figures come from

    The ten leading countries

    1. 1 Italy 23.8%238,300 visits
    2. 2 France 21.2%211,900 visits
    3. 3 China 11.4%114,200 visits
    4. 4 Spain 10.9%108,800 visits
    5. 5 United States of America 4.3%43,100 visits
    6. 6 Germany 2.3%23,500 visits
    7. 7 Japan 2.2%22,400 visits
    8. 8 Hong Kong 2.0%19,800 visits
    9. 9 Singapore 2.0%19,700 visits
    10. 10 Brazil 1.6%16,100 visits
    11. · 103 other countries 18.3%183,000 visits

    Find the three darkest countries on the map. Is the museum that keeps this painting in any of them? Write down one reason people far away might look at it.

    The 20 most looked-at works by Leonardo da Vinci

    1. 1 Mona Lisa (La Gioconda), 1519 42.7%541,600 visits
    2. 2 Vitruvian Man 7.4%93,400 visits
    3. 3 The Last Supper, 1495 4.3%54,200 visits
    4. 4 Lady with an ermine, Czart, 1490 2.3%29,600 visits
    5. 5 The Baptism of Christ, 1475 1.9%23,700 visits
    6. 6 The Last Supper, 1495 1.8%22,600 visits
    7. 7 Lady with an Ermine, 1490 1.6%20,900 visits
    8. 8 Annunciation, 1472 1.6%20,300 visits
    9. 9 The Virgin and Child with Saint Anne, 1513 1.3%16,500 visits
    10. 10 The Virgin and Child with Saint Anne, 1510 1.2%15,200 visits
    11. 11 The Last Supper, 1497 1.1%13,700 visits
    12. 12 Salvator Mundi, 1500 1.0%12,300 visits
    13. 13 Saint John the Baptist, 1515 0.7%8,600 visits
    14. 14 Virgin of the Rocks - London, 1486 0.6%7,600 visits
    15. 15 Baptism of Christ, 1475 0.5%6,200 visits
    16. 16 Portrait of an Unknown Woman (La Belle Ferroniere), 1490 0.5%6,000 visits
    17. 17 La belle Ferronière, 1490 0.5%5,800 visits
    18. 18 Portrait of Ginevra de' Benci, 1474 0.4%5,700 visits
    19. 19 Madonna Litta, 1490 0.4%5,600 visits
    20. 339 Cannon foundry, 1487 this painting 0.0%300 visits

    Together these works take 71.8% of all the attention this artist's paintings received over the last twelve months. The catalogue holds 548 works by this artist, of which 481 were looked at at least once. This painting ranks 339 of them, with 0.0% of that attention (300 visits). The same counts, month by month

    Bars measure attention, not quality. Pick the work at the top and this one: name one thing that might make a painting famous beyond how well it is painted.

    About this artwork

    Cannon foundry — Leonardo da Vinci

    Cannon Foundry: A Glimpse into Renaissance Engineering

    Subject: The artwork depicts a bustling cannon foundry during the late 15th century, meticulously capturing the manufacturing process of cannons in the Renaissance era.

    Historical Context and Technological Significance

    Created in 1487 by Leonardo da Vinci, this pen drawing offers invaluable insight into a period when cannon technology was rapidly evolving. Foundries were essential hubs for producing these vital weapons of war, demanding skilled craftsmanship and efficient production methods.

    Da Vinci's work isn’t just an artistic rendering; it serves as a historical document showcasing the technological advancements and manufacturing processes prevalent during the Renaissance. It reflects the era's focus on military innovation and engineering prowess.

    Artistic Technique and Detailed Observation

    Da Vinci masterfully employs pen and ink to create a detailed scene filled with at least nine individuals engaged in various tasks related to cannon assembly and inspection. The central focus is a large, multi-barreled cannon surrounded by tools like hammers and scissors.

    The drawing demonstrates Da Vinci's exceptional skill in capturing intricate details through precise hatching and cross-hatching techniques. This creates tonal variations and texture, bringing the bustling workshop environment to life with remarkable realism.

    While perspective isn’t perfectly mathematically consistent, it effectively conveys depth and scale, reflecting the era’s understanding of spatial representation.

    Symbolism and Emotional Impact

    The "Cannon Foundry" symbolizes human ingenuity and the advancement of military technology during a pivotal period in history. It represents the intersection of art, engineering, and science—hallmarks of Da Vinci’s genius.

    The scene evokes a sense of focused activity and industriousness, highlighting the labor-intensive nature of weapon production while also conveying the scale and complexity involved. The overall mood is one of purposeful endeavor and technical precision.

    Legacy and Modern Relevance

    Currently housed at the Royal Library in Windsor, United Kingdom, this drawing continues to inspire art enthusiasts and historians alike. It provides a unique window into the past, demonstrating Da Vinci's artistic skill and his deep interest in engineering and science.

    The "Cannon Foundry" stands as a testament to Leonardo da Vinci’s enduring legacy—a polymath whose work seamlessly blended artistry with scientific inquiry, leaving an indelible mark on history and inspiring generations of innovators.

    Artist and museum

    Artist

    Leonardo da Vinci

    Born in Vinci, Italy

    The Early Life and Training of Leonardo da Vinci

    Leonardo da Vinci was born on 15 April 1452 near the Tuscan hill town of Vinci. His origins were defined by a specific social reality: he was the illegitimate son of a successful notary, Piero Fruosino di Antonio da Vinci, and a lower-class woman named Caterina Cambi. This background placed him within the social structures of the Tuscan countryside from the start. He eventually moved to Florence, where his education took place. The city provided an atmosphere centered on the precision of disegno, a rigorous focus on drawing that would dictate his technical approach for the rest of his life.

    At the age of fourteen, Leonardo da Vinci entered the workshop of Andrea del Verrocchio. This apprenticeship was the foundation of his technical capability. In Verrocchio's studio, the boundaries between different crafts were thin, and he learned to handle the tools of both a painter and a sculptor. This training was not merely about the brush; it involved understanding the mechanics of sculpture and the physical properties of various materials. He developed a way of seeing that connected the movement of a muscle to the way light falls across a surface, a skill rooted in the discipline of his early years.

    Artistic Activity in Florence and Milan

    Leonardo’s career was defined by a constant movement between the major centers of the High Renaissance. He was principally active in Florence from 1472 until about 1482, and again during the period between 1500 and 1508. These Florentine years provided the essential foundation for his development, but his long-term trajectory was heavily shaped by his time in Milan. He spent much of his life serving Ludovico Sforza in Milan, a tenure that lasted from approximately 1482 to 1499. This period of service was not a single continuous stretch, as he returned to Milan between 1508 and 1513.

    While Florence and Milan were his primary operational hubs, his reach extended beyond these two cities. His professional life included significant work in Rome and eventually in France. This geographic mobility prevented his style from becoming static. Instead of remaining tethered to one court, he navigated the shifting political landscapes of the Italian peninsula. His presence in Milan was marked by a continuous dialogue with the court, where his interests in engineering and science often intersected with his artistic commissions. This intersection of disciplines ensured that his output was never limited to mere decoration.

    1475: The Baptism of Christ

    1495: The Last Supper

    Patrons and Major Commissions in Milan

    Leonardo's presence in Milan was defined by his long-term service to Ludovico Sforza. This relationship dictated the scale and nature of his output, forcing a constant negotiation between the religious requirements of the era and the specific political needs of the Sforza court. His work during this period was not a series of isolated tasks but a continuous response to the ambitions of his patrons. He moved between diverse subjects, balancing the demands of a ruling dynasty with his own technical experimentation.

    The most significant consequence of this patronage was the decoration of the wall of the mausoleum in the refectory of the Convent of Santa Maria delle Grazie. This commission resulted in The Last Supper. The project required a departure from traditional fresco methods, as Leonardo utilized an oil-based paint mixed with mastic to allow for the slow layering and frequent revisions his process demanded. This choice, while allowing for greater detail, created a physical vulnerability in the work that has required centuries of restoration. The mural remains a central part of the Milanese landscape, capturing a specific moment of human tension through a rigorous application of perspective.

    The Last Supper (c. 1495–1498)

    Key Masterpieces and Famous Works

    The Mona Lisa remains the most famous painting in existence. Located in the Musée du Louvre, Paris, it commands a level of global attention that few other works can claim. Similarly, the Vitruvian Man drawing has become a cultural icon by mapping the proportions of the human form. These works demonstrate a capacity to translate complex observation into a visual language that persists in the modern consciousness.

    Religious art reached a peak of reproduction with The Last Supper. This mural, located in the refectory of the Convent of Santa Maria delle Grazie in Milan, depicts the moment after Jesus announces a betrayal. Its use of perspective to pull the viewer into the room remains a standard for psychological drama. The market for his surviving canvases is equally intense. In 2017, the Salvator Mundi was sold at auction for US$450.3 million, a figure that reflects the immense value placed on his hand.

    The Baptism of Christ (1475)

    Lady with an Ermine (1490)

    The Virgin and Child with Saint Anne (1510)

    Saint John the Baptist (1515)

    Technique and Artistic Style

    Leonardo’s approach to the canvas was driven by a relentless need to reconcile scientific observation with visual representation. He did not merely paint figures; he reconstructed them through a rigorous investigation of human anatomy. By studying cadavers, he gained a precise understanding of how muscle and bone function, allowing him to render the human form with a level of accuracy that fundamentally altered the standards of anatomical illustration. This was not a matter of mere likeness, but a structural necessity that informed every stroke.

    His technical innovations centered on the manipulation of light and atmosphere. He developed sfumato, a method of using subtle gradations of tone to blur the edges of his subjects. This technique removed the harshness of outlines, allowing forms to emerge from a smoky haze. He paired this with chiaroscuro to control the interplay of light and shadow, creating a sense of three-dimensional volume. To achieve these effects, he experimented with unconventional materials, including an oil-based paint mixed with mastic, a resin intended to allow for slow drying and continuous layering.

    The Baptism of Christ, 1475

    The Last Supper, ca. 1495–1498

    Mona Lisa, ca. 1503–6

    The Final Years and Death in France

    Leonardo da Vinci’s later years were defined by a shift in geography that mirrored his restless intellectual movement. After working in Rome from 1513 to 1516, he moved toward the end of his life under the invitation of Francis I. This transition took him to France, where he spent his final three years living and working. His presence in the French court marked the conclusion of a career that had already spanned the major centers of the High Renaissance.

    The end of his life was spent in France, where he continued his investigations until his death on 2 May 1519. His final years were not a period of quiet retirement but a continuation of the intense observation that characterized his entire existence. He died in France, leaving behind a body of work that remains a primary reference for the intersection of scientific inquiry and visual representation.

    The Enduring Legacy of a Polymath

    Leonardo da Vinci remains a central figure in Western art history, a status supported by a body of work that shaped European artistic development to a degree rivaled only by Michelangelo. His influence stems from a refusal to separate the act of painting from the act of investigation. He functioned simultaneously as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. This breadth of interest ensured that his contributions were never confined to a single medium or discipline.

    His notebooks provide the most direct evidence of this restless intellect. They reveal a mind that never stopped observing the mechanics of the world, documenting everything from the flow of water to the structural intricacies of human bone. This empirical approach meant that his drawings were not merely preparatory sketches but tools for recording a continuous investigation of nature. He treated the physical world as a subject to be decoded through rigorous observation.

    The scale of his impact is visible in the way his diverse interests intersected. His scientific inquiries into anatomy and light informed his visual output, creating a feedback loop between theory and practice. This integration of disciplines allowed him to move beyond simple representation toward a profound understanding of how the world functions. His legacy is defined by this refusal to specialize, opting instead to master the mechanics of existence through a wide range of technical and scientific pursuits.

    Where to See His Works Today

    To witness the physical reality of his output, one must travel to specific institutional collections. The Mona Lisa remains in the Musée du Louvre in Paris. It is a central fixture of that museum's collection. In Krakow, the Czartoryski Museum holds the Lady with an Ermine. These locations represent the primary sites for viewing his most significant surviving canvases.

    Florence remains a critical destination for those tracking his early development and technical shifts. The Galleria degli Uffizi contains both the Annunciation and the Baptism of Christ. These works allow for a direct comparison of his evolving command over light and landscape. Seeing them in situ provides a sense of the scale and the specific environments for which they were intended.

    Salvator Mundi, attributed in whole or part

    The Last Supper, Milan

    Vitruvian Man, undated

    Museum

    Royal Library

    On show in Windsor, United Kingdom

    Origins and History of the Royal Library

    The Royal Library in Windsor, United Kingdom, began its formal existence in 1757. It was established by King George II through the formation of the Old Royal Library. This foundation set a precedent for the collection to grow alongside the monarchy, with its evolution mirroring the trajectory of the crown itself. What began as a specific bequest has expanded into a vast archive of over 45,000 rare books and manuscripts.

    A significant reorganization occurred in 1836 under William IV. This period saw the consolidation of disparate collections into a unified whole. It was during this time that the office of the Royal Librarian was established, a role that continues to oversee the preservation of these documents. The library functions as both a repository for historical texts and a dedicated archive for the monarchy.

    The collection contains significant items that reflect centuries of intellectual pursuit. Among the holdings are:

    Annotated Shakespeare folios

    The Sobieski Hours

    Early printed works by William Caxton

    The Architecture and Setting of the Library

    Nestled within the venerable walls of Windsor Castle in Windsor, United Kingdom, the Royal Library occupies a space defined by historical layers. The architecture consists of three meticulously designed rooms, each crafted to present the collection with appropriate grandeur. These spaces are not merely functional repositories but are rooms that have been part of the private lives of monarchs. The layout reflects a continuity of use that spans centuries, where the quiet reverence of the present meets the physical traces of the past.

    The history of the rooms is written into their very structure. The spaces were previously utilized by Catherine of Braganza as a bedchamber, a study, and a treasury. Other areas within the library's footprint served as a treasury for Henry VII and an indoor walking gallery for Elizabeth I. This layering of royal habitation provides a specific atmosphere, where the scent of aged parchment meets the architectural legacy of the Tudor and Stuart eras. To stand within these walls is to occupy a space once shaped by the personal requirements of sovereigns.

    The Diverse Collections and Royal Treasures

    The holdings within these walls span from the Tudor era to the present day, forming a continuous record of intellectual and political history. Among the most significant items are exceptional editions of Shakespeare's plays, preserved in various early printings. These volumes sit alongside original manuscripts, including royal charters, letters, and state papers that document the decisions of the monarchy. The presence of early printed works by William Caxton provides a direct link to the origins of English printing.

    The scale of the collection grew significantly during the 18th century when King George III amassed over 65,000 volumes. This expansion brought together a vast array of subjects, from scientific inquiry to religious texts. The physical beauty of the library is found in its illuminated manuscripts and the fine craftsmanship of its bindings. These objects are not merely records but physical remnants of the era in which they were produced.

    Sobieski Hours, illuminated manuscript

    Annotated Shakespeare folios

    Exhibitions and Scholarly Research

    The Royal Library engages with the public through curated exhibitions held within Windsor Castle and other royal residences. These displays offer a way to encounter the collection beyond its usual scholarly use. Recent exhibitions have focused on themes such as Shakespearean performance and the scientific discoveries of George III. Such presentations allow for a closer look at the intellectual history preserved within the walls of the castle.

    Beyond these public displays, the institution functions as a center for intellectual exchange. It hosts lectures, workshops, and research seminars to foster dialogue. Access for deep study is primarily granted to researchers by appointment. This structured approach ensures the preservation of the materials while supporting serious inquiry into the historical and scientific records held in the archives.

    Where to read more

    Find this online

    QR code linking to the download page for Cannon foundry

    wahooart.com/en/art/download/leonardo-da-vinci-cannon-foundry-8XZP9G-en/

    Cite this artwork

    MLA
    Vinci, Leonardo da. Cannon foundry. 1487, Royal Library. https://wahooart.com/en/art/leonardo-da-vinci-cannon-foundry-8XZP9G-en/
    APA
    Vinci, Leonardo da (1487). Cannon foundry [Painting]. Royal Library. https://wahooart.com/en/art/leonardo-da-vinci-cannon-foundry-8XZP9G-en/
    Chicago
    Leonardo da Vinci. Cannon foundry. 1487. Royal Library. https://wahooart.com/en/art/leonardo-da-vinci-cannon-foundry-8XZP9G-en/
    Harvard
    Vinci, Leonardo da (1487) Cannon foundry. Royal Library. Available at: https://wahooart.com/en/art/leonardo-da-vinci-cannon-foundry-8XZP9G-en/

    Look closely

    Cannon foundry — Leonardo da Vinci

    Look closely

    Answer in your own words. There are no wrong answers here — only answers you can explain.

    1. What catches your eye first, and why?
    2. Which colours or shapes create the mood — and what is that mood?
    3. How many faces can you find? ____ (our catalogue counts 7 — do you agree?)
    4. Our catalogue files this work under: cannon, foundry, engineering. Do you agree? What would you add, or take away?
    5. Look back at Mona Lisa (La Gioconda) (1519), earlier in this guide. Name two things it shares with this work, and one that is different.

    Your response

    Write a short paragraph about this artwork. Use the facts from the earlier parts of this guide, and your answers above.

    Art quiz

    Cannon foundry — Leonardo da Vinci

    How well do you know this artwork?

    Tick one answer for each of the 4 questions below. Each has exactly one correct answer.

    1. 1. What is the primary subject depicted in Leonardo da Vinci’s ‘Cannon Foundry’?

      • A A serene landscape
      • B The construction of a large cannon
      • C A portrait of Duke Ludovico Sforza
    2. 2. In what year was the 'Cannon foundry' drawing created?

      • A 1498
      • B 1487
      • C 1503
    3. 3. What artistic technique is prominently used in ‘Cannon Foundry’ to create tonal variations and texture?

      • A Sfumato
      • B Chiaroscuro
      • C Hatching and cross-hatching
    4. 4. Where is the 'Cannon foundry' drawing currently housed?

      • A The Louvre Museum, Paris
      • B The Royal Library, Windsor
      • C The Uffizi Gallery, Florence

    My score: ____ out of 4

    Answer key — for the teacher

    This starts a fresh printed page, so it can simply be left out of the copies.

    1B · 2B · 3C · 4B

    Check any answer against the catalogue record for this painting

    Questions & Answers

    Where can I see the original "Cannon foundry" by Leonardo da Vinci?

    The original "Cannon foundry" by Leonardo da Vinci is held at the Royal Library, Windsor, United Kingdom. A reproduction allows the work to be displayed at home.

    What color intensity does "Cannon foundry" by Leonardo da Vinci have?

    "Cannon foundry" by Leonardo da Vinci shows a balanced color intensity.

    What are the reproduction rights of "Cannon foundry" at the Royal Library?

    "Cannon foundry" by Leonardo da Vinci, held at the Royal Library, is in the public domain - its copyright has expired. This status determines whether reproductions of the image may be made.