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Lecture

November 26 2013.docx

2 Pages
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Department
Classical Studies
Course Code
Classical Studies 2700A/B
Professor
Les Murison

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Description
Weaving is a method of fabric production in which two distinct sets of yarns or threads are interlaced at right angles to form a fabric or cloth. The other methods are knitting, lace making, felting, and braiding or plaiting. The longitudinal threads are called the warp and the lateral threads are the weft or filling. (Weft or woof is an old English word meaning "that which is woven". The method in which these threads are inter woven affects the characteristics of the cloth. -a set of parallel cords or wires in a loom used to separate and guide the warp threads and make a path for the shuttle. -A heddle is an integral part of a loom. Each thread in the warp passes through a heddle, which is used to separate the warp threads for the passage of the weft. The typical heddle is made of cord or wire -In weaving, the shed is the temporary separation between upper and lower warp yarns through which the weft is woven. -A shed is the space between the warps through which the weft passes, and a shedding device is the means of creating that space. -This makes a space – known as a shed – to pass the weft through. As it is created by the structure of the loom, it is known as the natural shed. This uses loom weights -differences – roman verticle two beamed – used artificial shed (the warp was wrapped around the heddle, and pulled back and forth to make a pattern DYES: Some of the well known ancient dyes include madder, a red dye made from the roots of the Rubia tinctorum, blue indigo from the leaves of Indigofera tinctoria, yellow from the stigmas of the saffron plant, and dogwood, an extract of pulp of the dogwood tree. Problems with dyes: Unfortunately iron-tannate dyes are inherently self-destructive and can seriously damage the materials to which they are applied. Boiling and finding supplies needed. Health issues created by breathing fumes created by dyes. Difficult to get pure
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