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A loom from the 1890s with a dobby head. A dobby loom, or dobbie loom, [1] is a type of floor loom that controls all the warp threads using a device called a dobby. [2]Dobbies can produce more complex fabric designs than tappet looms [2] but are limited in comparison to Jacquard looms.
The plain Hattersley Domestic Loom was specially developed for cottage or home use and designed to replace the wooden handloom; the Domestic is similar in construction to a power loom. It was introduced ca.1900 and the makers claimed that a speed of 160 picks per minute could be easily attained with from 2 to 8 shafts weaving a variety of fabrics.
The Jacquard loom is a mechanical loom, invented by Joseph Marie Jacquard in 1801, which simplifies the process of manufacturing figured textiles with complex patterns such as brocade, damask, and matelasse. [25] [26] The loom is controlled by punched cards with punched holes, each row of which corresponds to one row of the design. Multiple ...
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This allows the same loom to be used for making both very fine and very coarse fabric, as well as weaving threads at dramatically different densities. [10] The width of the reed sets the maximum width of the warp. [4] Common reed sizes for the hand-weaver are 6, 8, 10, 12, or 15 dents per inch, although sizes between 5 and 24 are not uncommon. [9]
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 machines and planned to use cards to store programs in his Analytical Engine .
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In the longer term, by making cloth more affordable the power loom increased demand and stimulated exports, causing a growth in industrial employment, albeit low-paid. [9] The power loom also opened up opportunities for women mill workers. [10] A darker side of the power loom's impact was the growth of employment of children in power loom mills ...