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Parchment

technology Maturity 11-13 Next article →

Parchment is a durable writing material made from specially prepared animal skins. It is primarily created from the skins of sheep, goats, or calves. For over two thousand years, people in Europe and West Asia have used it to preserve important texts. While the term is often used broadly today for any dried animal skin, it originally referred specifically to sheep or goat skin.

Parchment from goatskin
Parchment from goatskin

Libraries and museums sometimes use the neutral term "animal membrane" to avoid the technical differences between types of skin.

One specific type of high-quality parchment is called vellum. Vellum is made from the skins of very young animals, such as lambs or young calves. Historically, the finest material was known as uterine vellum. Some people once believed this came from fetal calves, but modern research into 13th-century Bibles suggests otherwise. Scientists now hypothesize that the superior quality resulted from a lost technical process rather than the age of the animal.

קלף, נוצה ודיו
קלף, נוצה ודיו

Because it is difficult to identify the exact species or age of a skin without scientific analysis, the boundaries between parchment and vellum often blur.

The manufacturing process is a precise sequence of chemical and physical steps. It begins with the pelt, which is wet, unhaired, and limed skin. First, the skin is soaked in water for about one day to remove blood and grime. Next, it enters a dehairing liquor bath containing lime. Workers stir the skins in wooden or stone vats using long poles to ensure the solution penetrates deeply. This bath can last eight days or more, especially in winter. If the skin stays in the lime too long, it becomes too weak to survive the next stage.

After soaking, the skins are moved to a stretching frame. Workers attach the skins to this frame, sometimes using small, smooth rocks wrapped in rope to create tension. While the skin is stretched, a craftsman uses a sharp, semi-lunar knife to scrape away remaining hair. This scraping ensures the skin reaches the correct thickness. Because parchment consists mostly of collagen, it forms a natural glue as it dries. This stretching process aligns the fibers so they are nearly parallel to the surface.

Permennter-1568
Permennter-1568

Craftsmen often applied special treatments to make the surface better for writing. They might rub pumice powder into the flesh side to make it smooth. This allows ink to penetrate more deeply. To remove grease, they used powders or pastes made of calcium compounds. Other makers used pastes of flour, egg whites, milk, and lime to make the parchment white. Some even tinted the skins with colors like purple, indigo, green, or red.

Sachsenspiegel
Sachsenspiegel

In the early Middle Ages, some luxury manuscripts were even produced on purple vellum to imitate Byzantine styles.

The history of parchment is tied to the ancient city of Pergamon. During the Hellenistic period, this city was a major center for parchment production. A legend from Pliny the Elder suggests parchment was invented there to replace papyrus. However, historians believe parchment was used much earlier. Herodotus noted that the Ionians used skins for books in the 5th century BC. Ancient Egyptian documents using leather date back as far as the Fourth Dynasty, around 2550 BC.

NLW Penrice and Margam Deeds 204 front (8634702372)
NLW Penrice and Margam Deeds 204 front (8634702372)

By the 4th century AD, parchment became the standard for important books in many cultures. However, the 15th century brought a major change with the rise of paper. Paper was made from textile rags and was much cheaper to produce. When printing arrived in the late 15th century, the demand for animal skins grew too large for the supply to meet. During this transition, vellum remained a luxury option. For example, while most Gutenberg Bibles are on paper, 12 of the 48 surviving copies are on parchment.

Sachsenspiegel
Sachsenspiegel

Parchment remains significant in several modern and religious contexts. In Jewish tradition, parchment is the only medium allowed for writing Torah scrolls, tefillin, and mezuzahs. This includes specific types of parchment like gevil and klaf.

Torah and jad
Torah and jad

In the United Kingdom, Acts of Parliament were printed on vellum until 2015. Artists have also seen a revival of interest in parchment since the late 20th century. They value how the collagen reacts to water in paint, which creates a raised bed for the colors. Because parchment reacts strongly to humidity, historical books were often bound with heavy wooden boards and metal clasps to keep the pages flat.

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🖼️ Images & Media (6)
File:Parchment from goatskin.jpg
Parchment from goatskin.jpg
File:קלף, נוצה ודיו.jpg
קלף, נוצה ודיו.jpg
File:Permennter-1568.png
Permennter-1568.png
File:NLW Penrice and Margam Deeds 204 front (8634702372).jpg
NLW Penrice and Margam Deeds 204 front...
File:Sachsenspiegel.jpg
Sachsenspiegel.jpg
File:Torah and jad.jpg
Torah and jad.jpg
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