Jacquard loom - wikipedia Jacquard loom Four Hattersley looms with the distinctive Jacquard head This portrait of Jacquard was woven in silk on a Jacquard loom and required 24,000 punched cards to create ( 1839 ). It was only produced to order. Charles Babbage owned one of these portraits ; it inspired him in using perforated cards in his analytical engine. It is in the collection of the Science Museum in London, England. Jacquard looms in the Textile Department of the Strzemiński Academy of Fine Arts in Łódź, Poland. Weaving on a jacquard loom with a flying shuttle at the Textile Department of the Strzemiński Academy of Fine Arts in Łódź, Poland. The Jacquard machine ( French : ( ʒakaʁ ) ) is a device fitted to a power loom that simplifies the process of manufacturing textiles with such complex patterns as brocade, damask and matelassé. It was invented by Joseph Marie Jacquard in 1804. The loom was controlled by a `` chain of cards '' ; a number of punched cards laced together into a continuous sequence. Multiple rows of holes were punched on each card, with one complete card corresponding to one row of the design. Several such paper cards, generally white in color, can be seen in the images below. Chains, like Bouchon 's earlier use of paper tape, allowed sequences of any length to be constructed, not limited by the size of a card. It is based on earlier inventions by the Frenchmen Basile Bouchon ( 1725 ), Jean Baptiste Falcon ( 1728 ), and Jacques Vaucanson ( 1740 ). A static display of a Jacquard loom is the centrepiece of the Musée des Tissus et des Arts décoratifs in Lyon. Live displays of a Jacquard loom are available at a few private museums around Lyon and also twice a day at La Maison des Canuts, as well as at other locations around the world. Both the Jacquard process and the necessary loom attachment are named after their inventor. This mechanism is probably one of the most important weaving inventions as Jacquard shedding made possible the automatic production of unlimited varieties of pattern weaving. The term `` Jacquard '' is not specific or limited to any particular loom, but rather refers to the added control mechanism that automates the patterning. The process can also be used for patterned knitwear and machine - knitted textiles, such as jerseys. This use of replaceable punched cards to control a sequence of operations is considered an important step in the history of computing hardware. Contents 1 History 2 Principles of operation 3 Mechanical Jacquard looms 4 Electronic Jacquard looms 5 Importance in computing 6 Examples 7 See also 8 References 9 Sources 10 External links History 19th century Jacquard loom In former times, if figured designs were required, this was done on a drawloom. The heddles with warp ends to be pulled up were manually selected by a second operator ( draw boy ), apart from the weaver. It was slow and labour - intensive, with practical limitations on the complexity of the pattern. The first important improvement of the draw loom took place in 1725, when Basile Bouchon introduced the principle of applying a perforated band of paper. A continuous roll of paper was punched by hand, in sections, each of which represented one lash or tread, and the length of the roll was determined by the number of shots in each repeat of pattern. The Jacquard machine subsequently evolved from this. Joseph Marie Jacquard recognized that although weaving was intricate, it was repetitive, and saw that a mechanism could be developed for the production of sophisticated patterns just as it had been done for the production of simple patterns. It is difficult to determine what part of the ' Jacquard ' machine was designed by Jacquard himself. He may have combined the best mechanical elements of other inventors, but - at any rate - the machine he made must have differed from its predecessors in arrangement and minor working details. It was similar in most general principles to Vaucanson 's arrangement, except that he made use of Jean - Baptiste Falcon 's individual paste board cards and his square prism ( or card ' cylinder ' ), which he is credited with having fully perforated on each of its four sides in lieu of Vaucanson 's perforated ' barrel '. Jacquard 's machine also contained eight rows of needles and uprights as compared with Vaucanson 's double row, of which modifications enabled him to increase the figuring capacity of the machine. In his first machine, he supported the harness by knotted cords, which he elevated by a single trap board. One of the chief advantages claimed for the Jacquard machine was that unlike previous damask - weaving machines, in which the figuring shed was usually drawn once for every four shots, with the new apparatus, it could be drawn on every shot, thus producing a fabric with greater definition of outline. Jacquard 's invention had a deep influence on Charles Babbage. In that respect, he is viewed by some authors as a precursor of modern computing science. A punch for Jacquard cards Following the pattern, holes are punched in the appropriate places on a jacquard card at The Department of Textile Art at Strzemiński Academy of Fine Arts in Łódź, Poland. Principles of operation Each position in the card corresponds to a `` Bolus '' hook, which can either be raised or stopped dependent on whether the hole is punched out of the card or the card is solid. The hook raises or lowers the harness, which carries and guides the warp thread so that the weft will either lie above or below it. The sequence of raised and lowered threads is what creates the pattern. Each hook can be connected to a number of threads, allowing more than one repeat of a pattern. A loom with a 400 hook head might have four threads connected to each hook, resulting in a fabric that is 1600 warp ends wide with four repeats of the weave going across. The term `` Jacquard loom '' is somewhat inaccurate. It is the `` Jacquard head '' that adapts to a great many dobby looms that allow the weaving machine to then create the intricate patterns often seen in Jacquard weaving. Jacquard looms, although relatively common in the textile industry, are not as ubiquitous as dobby looms which are usually faster and much cheaper to operate. However, unlike jacquard looms, they are not capable of producing so many different weaves from one warp. Modern jacquard looms are controlled by computers in place of the original punched cards, and can have thousands of hooks. The threading of a Jacquard loom is so labor - intensive that many looms are threaded only once. Subsequent warps are then tied into the existing warp with the help of a knotting robot which ties each new thread on individually. Even for a small loom with only a few thousand warp ends the process of re-threading can take days. Mechanical Jacquard looms Punched cards in use in a Jacquard loom. Originally the Jacquard machines were mechanical, and the fabric design was stored in a series of punched cards which were joined to form a continuous chain. The Jacquards often were small and only independently controlled a relatively few warp ends. This required a number of repeats across the loom width. Larger capacity machines, or the use of multiple machines, allowed greater control, with fewer repeats, and hence larger designs could be woven across the loom width. A factory must choose looms and shedding mechanisms to suit its commercial requirements. As a rule the more warp control required the greater the expense. So it is not economical to purchase Jacquard machines if one can make do with a dobby mechanism. As well as the capital expense, the Jacquard machines are more costly to maintain, as they are complex and require higher skilled personnel ; an expensive design system is required to prepare the designs for the loom, and possibly a card - cutting machine. Weaving is more costly since Jacquard mechanisms are more likely to produce faults than dobby or cam shedding. Also, the looms will not run as quickly and down - time will increase because it takes time to change the continuous chain of cards when a design changes. For these reasons it is best to weave larger batches with mechanical Jacquards. Electronic Jacquard looms It is recorded that in 1855 a Frenchman adapted the Jacquard mechanism to a system by which it could be worked by electro - magnets. There was significant interest, however trials were not successful, and the development was soon lost in history. Bonas Machine Company Ltd. launched the first successful electronic Jacquard at ITMA, Milan in 1983. Although the machines were initially small, modern technology has allowed Jacquard machine capacity to increase significantly, and single end warp control can extend to more than 10,000 warp ends. This avoids the need for repeats and symmetrical designs and allows almost infinite versatility. The computer - controlled machines significantly reduce the down time associated with changing punched paper designs, thus allowing smaller batch sizes. However, electronic Jacquards are costly and may not be required in a factory weaving large batch sizes, and smaller designs. The larger machines allowing single end warp control are very expensive, and can only be justified where great versatility is required, or very specialized design requirements need to be met. For example, they are an ideal tool to increase the ability and stretch the versatility of the niche linen Jacquard weavers who remain active in Europe and the West, while most of the large batch commodity weaving has moved to low cost areas. Linen products associated with Jacquard weaving are linen damask napery, Jacquard apparel fabrics and damask bed linen. Jacquard weaving of course uses all sorts of fibers and blends of fibers, and it is used in the production of fabrics for many end uses. Research is under way to develop layered and shaped items as reinforcing components for structures made from composite materials. Importance in computing The Jacquard head used replaceable punched cards to control a sequence of operations. It is considered an important step in the history of computing hardware. The ability to change the pattern of the loom 's weave by simply changing cards was an important conceptual precursor to the development of computer programming and data entry. Charles Babbage knew of Jacquard looms and planned to use cards to store programs in his Analytical Engine. In the late 19th century, Herman Hollerith took the idea of using punched cards to store information a step further when he created a punched card tabulating machine which he used to input data for the 1890 U.S. Census. A large, punched - card - based data processing industry developed in the first half of the twentieth century, dominated by the International Business Machine corporation ( IBM ), with its line of unit record equipment. The cards were used for data, however, with programming done by plugboards. Some early computers, such as the 1944 IBM Automatic Sequence Controlled Calculator ( Harvard Mark I ) received program instructions from a paper tape punched with holes, similar to Jacquard 's string of cards. Later computers executed programs from higher - speed memory, though cards were commonly used to load the programs into memory. Punched cards remained in use in computing up until the mid 1980s. Examples Austrian Jacquard handloom, end of 19th century, National Museum of textile Industry, Sliven, Bulgaria Austrian Jacquard handloom, end of 19th century, National Museum of textile Industry, Sliven, Bulgaria Close - up view of comber board, harness, mails, weights ( Lingoes ) and warp with 1040 ends Punched cards in use in a Jacquard loom. German Museum of Technology, Berlin weaving shuttle on a jacquard sample Punched card loom mechanism in silk - weaving workshop ; Varanasi, Uttar Pradesh, India Weaver in a silk - weaving workshop ; Varanasi, Uttar Pradesh, India Close - up view of the 8 × 26 hole punched cards -- one card per pick ( weft ) in the fabric Jacquard looms in the Textile Department of the Strzemiński Academy of Fine Arts in Łódź, Poland. Weaving on a jacquard loom with a flying shuttle at the Textile Department of the Strzemiński Academy of Fine Arts in Łódź, Poland. Following the pattern, holes are punched in the appropriate places on a jacquard card at the Department of Textile Art at Strzemiński Academy of Fine Arts in Łódź, Poland. Detail of Dove and Rose jacquard - woven silk and wool double cloth furnishing textile, designed by William Morris Punched paper tape used to instruct the 1944 Harvard Mark I computer Detail of Jaquard loom at TextielMuseum Tilburg See also Thomas Ferguson & Co Ltd, Jacquard Weaver References Jump up ^ Hyman, Anthony, ed. Science and Reform : Selected Works of Charles Babbage, Cambridge, England : Cambridge University Press, 1989, p. 298. Jump up ^ Delve ( 2007 ), p. 99. Jump up ^ `` Fabric Glossary ''. Archived from the original on January 5, 2009. Retrieved 2008 - 11 - 21. Jump up ^ Eric Hobsbawm, `` The Age of Revolution '', ( London 1962 ; repr. 2008 ), p. 45. Jump up ^ `` The London journal of arts and sciences ( and repertory of patent inventions ) ''. June 1, 1866 : 334. Jump up ^ C. Razy p. 120 ( 1913 ) Jump up ^ `` Musée des Tissus et des Arts Décoratifs ''. Museedestissus.com. Retrieved 2013 - 10 - 05. Jump up ^ Parrillo Chapman, Lisa ( 2008 ). Textile Design Engineering Within the Product Shape. ProQuest. pp. 69 -- 70. ISBN 1109003986. Jump up ^ Bradbury, Fred ( 1912 ). Jacquard Mechanisms and Harness Mounting. John Heywood Ltd., Technical Book Depot, Halifax, Yorks. Jump up ^ Essinger, James ( 2004 ). Jacquard 's web. Oxford University Press, Oxford. ISBN 978 - 0 - 19 - 280578 - 2 Jump up ^ The Irish Linen Trade Hand - Book and Directory Jump up ^ Bonas.co.uk Jump up ^ Cematex.org Jump up ^ Essinger, James ( 2004 ). Jacquard 's Web : How a hand - loom led to the birth of the information age. Oxford : Oxford University Press. ISBN 0 - 19 - 280577 - 0. Wikimedia Commons has media related to Jacquard weave. Sources Wikimedia Commons has media related to Jacquard looms. Nelson, Hector William ( 1909 ). Jacquard machines ; instruction paper. Chicago : American School of Correspondence. Posselt, Emanuel Anthony ( 1887 ). The Jacquard machine analyzed and explained : with an appendix on the preparation of Jacquard cards. Philadelphia : Pennsylvania museum and school of industrial art. Posselt, Emanuel Anthony ( 1893 ). The Jacquard Machine Analyzed & Explained. The preparation of Jacquard cards and practical hints to learners of Jacquard designing. Philadelphia. Razy, C. ( 1913 ). Étude analytique des petits modèles de métiers exposés au musée des tissus. Lyon, France : Musée historique des tissus. External links Posselt, Emanuel A. 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Question: who invented the power loom that could create complex patterns
Answer: Joseph Marie Jacquard