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vellum
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{{Short description|Animal skin used as a writing material}}{{Distinguish|Vallum|Velum (disambiguation)}}{{Other uses}}File:Magna Carta (British Library Cotton MS Augustus II.106).jpg|thumb|right|400px| Magna Carta, written in Latin on vellum, held at the British LibraryBritish Library
missing image!
- 1638vellumlarge.jpg -
A vellum deed dated 1638, with pendent seal attached
Vellum is prepared animal skin or "membrane", typically used as a material for writing on. Parchment is another term for this material, and if vellum is distinguished from this, it is by vellum being made from calfskin, as opposed to that from other animals,WEB,weblink Differences between Parchment, Vellum and Paper, archives.gov, 2016-06-16, or otherwise being of higher quality.Stokes, Roy Bishop, Almagno, 114 Vellum is prepared for writing or printing on, to produce single pages, scrolls, codices or books. The word is derived from the Latin word vitulinum meaning "made from calf", leading to Old French vélin, "calfskin".DICTIONARY,weblink vellum, Online Etymological Dictionary, 2014-08-09, ) Modern scholars and custodians increasingly use only the less specific if confusing term "membrane".Stokes and Almagno 2001, 114Clemens and Graham 2007, pp. 9–10. Depending on factors such as the method of preparation it may be very hard to determine the animal species involved (let alone its age) without using a laboratory,BOOK, Anthony, Cains, The surface examination of skin: a binder's note on the identification of animal species used in the making of parchment, The Book of Kells: proceedings of a conference at Trinity College Dublin, 6–9 September 1992, Felicity, O'Mahony, Scolar Press, Aldershot, 1994, 0-85967-967-5, 172–4, and the term avoids the need to distinguish between vellum and parchment.Vellum is generally smooth and durable, although there are great variations depending on preparation and the quality of the skin. The manufacture involves the cleaning, bleaching, stretching on a frame (a "herse"), and scraping of the skin with a crescent-shaped knife (a "lunarium" or "lunellum"). To create tension, scraping is alternated with wetting and drying. A final finish may be achieved by abrading the surface with pumice, and treating with a preparation of lime or chalk to make it accept writing or printing ink.Modern "paper vellum" is made of synthetic plant material, and is called such for its usage and quality similarities. Paper vellum is used for a variety of purposes including tracing, technical drawings, plans and blueprints.Drafting, 60-61WEB,weblink Japanese vellum - CAMEO, cameo.mfa.org, en, 2017-09-03,weblink" title="web.archive.org/web/20170903010241weblink">weblink 2017-09-03, no, NEWS,weblink How Modern Day Vellum Stationery is Produced, 2011-07-04, The Note Pad {{!, Stationery & Party Etiquette Blog by American Stationery|access-date=2017-09-03|language=en-US|archive-url=https://web.archive.org/web/20170903010030weblink|archive-date=2017-09-03|dead-url=no|df=}}

Terminology

In Europe, from Roman times, the term "vellum" was used for the best quality of prepared skin, regardless of the animal from which the hide was obtained, calf, sheep, and goat all being commonly used (other animals, including pig, deer, donkey, horse, or camel have been used). Although the term derives from the French for "calf", animal vellum can include hide from virtually any other mammal. The best quality, "uterine vellum",BOOK, Houston, Keith, The Book: A Cover-to-Cover Exploration of the Most Powerful Object of Our Time, 2016, W.W. Norton & Company, 978-0-393-24479-3,weblink 2 December 2016,weblink 2016-12-02, no, was said to be made from the skins of stillborn or unborn animals, although the term was also applied to fine quality skins made from young animals. However, there has long been much blurring of the boundaries between these terms. In 1519, William Horman could write in his Vulgaria: "That stouffe that we wrytte upon, and is made of beestis skynnes, is somtyme called parchement, somtyme velem, somtyme abortyve, somtyme membraan."William Horman, Vulgaria (1519), fol. 80v; cited in Ustick 1936, p. 440. Writing in 1936, Lee Ustick explained that:French sources, closer to the original etymology, tend to define velin as from calf only, while the British Standards Institution defines parchment as made from the split skin of several species, and vellum from the unsplit skin.Young, Laura, A., Bookbinding & conservation by hand: a working guide, Oak Knoll Press, 1995, {{ISBN|1-884718-11-6}}, {{ISBN|978-1-884718-11-3}}, Google books {{Webarchive|url=https://web.archive.org/web/20170118132433weblink |date=2017-01-18 }} In the usage of modern practitioners of the artistic crafts of writing, illuminating, lettering, and bookbinding, "vellum" is normally reserved for calfskin, while any other skin is called "parchment".Johnston, E. (1906 et seq.) Writing, Illuminating, and Lettering; Lamb, C.M. (ed.)(1956) The Calligrapher's Handbook; and publications of Society of Scribes & Illuminators

Manufacture

File:Portolan by Jacobus Russus of Messina 1533.jpg|thumb|250px|right|A portolan chart (map) by Jacobo RussoJacobo Russo Vellum is a translucent material produced from the skin, often split, of a young animal. The skin is washed with water and lime (Calcium hydroxide), but not together. It is then soaked in lime for several days to soften and remove the hair.WEB
,weblink
, The Making of a Medieval Book
, The J. Paul Getty Trust
, 2010-11-19
,weblink" title="web.archive.org/web/20101125133814weblink">weblink
, 2010-11-25
, no
,
, Once clear, the two sides of the skin are distinct: the side facing inside the animal and the hair side. The "inside body side" of the skin is usually the lighter and more refined of the two. The hair follicles may be visible on the outer side, together with any scarring made while the animal was alive. The membrane can also show the pattern of the animal's vein network called the "veining" of the sheet.WEB,weblink "Recording the physical features of Codex Sinaiticus". Codex Sinaiticus, in partnership with the British Library, 2012-04-02,weblink" title="web.archive.org/web/20120501201624weblink">weblink 2012-05-01, no, Any remaining hair is removed ("scudding") and the skin is dried by attaching it to a frame (a "herse").Clemens and Graham 2007, p. 11. The skin is attached at points around the circumference with cords; to prevent tearing, the maker wraps the area of the skin to which the cord is to be attached around a pebble (a "pippin"). The maker then uses a crescent shaped knife, (a "lunarium" or "lunellum"), to clean off any remaining hairs.Once the skin is completely dry, it is thoroughly cleaned and processed into sheets. The number of sheets extracted from the piece of skin depends on the size of the skin and the given dimensions requested by the order. For example, the average calfskin can provide three and half medium sheets of writing material. This can be doubled when it is folded into two conjoint leaves, also known as a bifolium. Historians have found evidence of manuscripts where the scribe wrote down the medieval instructions now followed by modern membrane makers.Thompson, Daniel. "Medieval Parchment-Making". The Library 16, no. 4 (1935). The membrane is then rubbed with a round, flat object ("pouncing") to ensure that the ink would adhere well.

Manuscripts

(File:Treatises On Natural Science, Philosophy, And Mathematics - Planets.jpg|thumb|right|225px|A Volume Of Treatises On Natural Science, Philosophy, And Mathematics (1300) Ink on vellum.)

Preparing manuscripts

Once the vellum is prepared, traditionally a quire is formed of a group of several sheets. Raymond Clemens and Timothy Graham point out, in their Introduction to Manuscript Studies, that "the quire was the scribe's basic writing unit throughout the Middle Ages".Clemens and Graham 2007, p. 14. Guidelines are then made on the membrane. They note "'pricking' is the process of making holes in a sheet of parchment (or membrane) in preparation of its ruling. The lines were then made by ruling between the prick marks...The process of entering ruled lines on the page to serve as a guide for entering text. Most manuscripts were ruled with horizontal lines that served as the baselines on which the text was entered and with vertical bounding lines that marked the boundaries of the columns".Clemens and Graham 2007, pp. 15–17.

Usage

Most of the finer sort of medieval manuscripts, whether illuminated or not, were written on vellum. Some Gandharan Buddhist texts were written on vellum, and all Sifrei Torah (Hebrew: ספר תורה Sefer Torah; plural: ספרי תורה, Sifrei Torah) are written on kosher klaf or vellum.A quarter of the 180 copy edition of Johannes Gutenberg's first Bible printed in 1455 with movable type was also printed on vellum, presumably because his market expected this for a high-quality book. Paper was used for most book-printing, as it was cheaper and easier to process through a printing press and bind.In art, vellum was used for paintings, especially if they needed to be sent long distances, before canvas became widely used in about 1500, and continued to be used for drawings, and watercolours. Old master prints were sometimes printed on vellum, especially for presentation copies, until at least the seventeenth century.Limp vellum or limp-parchment bindings were used frequently in the 16th and 17th centuries, and were sometimes gilt but were also often not embellished. In later centuries vellum has been more commonly used like leather, that is, as the covering for stiff board bindings. Vellum can be stained virtually any color but seldom is, as a great part of its beauty and appeal rests in its faint grain and hair markings, as well as its warmth and simplicity.Lasting in excess of 1,000 years—Gregory the Great, Pastoral Care (Troyes, Bibliothèque Municipale, MS 504), for example dates from about 600 and is in excellent condition—animal vellum can be far more durable than paper. For this reason, many important documents are written on animal vellum, such as diplomas. Referring to a diploma as a "sheepskin" alludes to the time when diplomas were written on vellum made from animal hides.

Modern usage

British Acts of Parliament are still printed on vellum for archival purposes,NEWS, Goat skin tradition wins the day, BBC News Online, 1999-11-02,weblink 2016-02-11, Acts of Parliament dating back to 1497 recorded on vellum are currently held in the House of Lords Public Record Office,weblink" title="web.archive.org/web/20080409112147weblink">weblink 2008-04-09, no, as are those of the Republic of Ireland.WEB,weblink Frequently Asked Questions about the Houses of the Oireachtas - Tithe an Oireachtais, Oireachtas, 2016-02-11, Once a Bill has been passed by both Houses, the Taoiseach presents a vellum copy of the Bill, prepared in the Office of the Houses of the Oireachtas to the President for signature and promulgation as law.,weblink" title="web.archive.org/web/20120328122949weblink">weblink 2012-03-28, yes, In February 2016, the UK House of Lords announced that legislation would be printed on archive paper instead of the traditional vellum from April 2016.NEWS, Hughes, Laura, Thousand year old tradition of printing Britain's laws on vellum has been scrapped to save just £80,000, The Daily Telegraph, 2016-02-09,weblink 2016-02-11,weblink" title="web.archive.org/web/20160212064333weblink">weblink 2016-02-12, no, However, Cabinet Office Minister Matthew Hancock intervened by agreeing to fund the continued use of vellum from the Cabinet Office budget.NEWS, Hughes, Laura, Vellum should be saved in a bid to 'safeguard our great traditions', says minister, The Daily Telegraph, 2016-02-14,weblink 2016-02-15, Mr Hancock told The Daily Telegraph: 'Recording our laws on vellum is a millennium long tradition, and surprisingly cost effective. While the world around us constantly changes, we should safeguard some of our great traditions and not let the use of vellum die out.',weblink" title="web.archive.org/web/20160213064306weblink">weblink 2016-02-13, no, Today, because of low demand and complicated manufacturing process, animal vellum is expensive and hard to find. The only UK company still producing traditional parchment and vellum is William Cowley (established 1870), which is based in Newport Pagnell, Buckinghamshire. A modern imitation is made of cotton. Known as paper vellum, this material is considerably cheaper than animal vellum and can be found in most art and drafting supply stores. Some brands of writing paper and other sorts of paper use the term "vellum" to suggest quality.Vellum is still used for Jewish scrolls, of the Torah in particular, for luxury book-binding, memorial books, and for various documents in calligraphy. It is also used on instruments such as the banjo and the bodhran, although synthetic skins are also available for these instruments.

Paper vellum

Modern imitation vellum is made from plasticized rag cotton or fibers from interior tree bark. Terms include: paper vellum, Japanese vellum, and vegetable vellum. Paper vellum is usually translucent and its various sizes are often used in applications where tracing is required, such as architectural plans. It is more dimensionally stable than a linen or paper sheet, which is frequently critical in the development of large scaled drawings such as blueprints. Paper vellum had also become extremely important in hand or chemical reproduction technology for dissemination of plan copies. Like a high-quality traditional vellum, paper vellum could be produced thin enough to be virtually transparent to strong light, enabling a source drawing to be used directly in the reproduction of field-used drawings.Drafting, 60-61; Yee, Rendow, Architectural Drawing: A Visual Compendium of Types and Methods, 4th edition, 2012, John Wiley & Sons, {{ISBN|1118310446}}, 781118310441, google

Preservation

{{refimprove|date=August 2014}}Vellum is ideally stored in a stable environment with constant temperature and 30% (± 5%) relative humidity. If vellum is stored in an environment with less than 11% relative humidity, it becomes fragile, brittle, and susceptible to mechanical stresses; if it is stored in an environment with greater than 40% relative humidity, it becomes vulnerable to gelation and to mold or fungus growth.Eric F. Hansen and Steve N. Lee, "The Effects of Relative Humidity on Some Physical Properties of Modern Vellum: Implications for the Optimum Relative Humidity for the Display and Storage of Parchment", The Book and Paper Group Annual (1991). The optimal temperature for the preservation of vellum is {{convert|20|+/-|1.5|°C|°F|sigfig=2}}.{{Citation needed|date=August 2014}}

See also

Notes

{{Reflist}}

References

  • BOOK, Raymond, Clemens, Timothy, Graham, Introduction to Manuscript Studies, Cornell University Press, Ithaca, 2007, 978-0-8014-3863-9,
  • "Drafting": Dana J. Hepler, Paul Ross Wallach, Donald Hepler, Drafting and Design for Architecture & Construction, 9th edition, 2012, Cengage Learning, {{ISBN|1111128138}}, 9781111128135, google books
  • Stokes, Roy Bishop, Almagno, Romano Stephen, Esdaile's Manual of Bibliography, 6th edition, 2001, Scarecrow Press, {{ISBN|0810839229}}, 9780810839229, google books
  • JOURNAL, W. Lee, Ustick, 'Parchment' and 'vellum', The Library, 4th ser., 16, 4, 1936, 439–43,

External links

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