Word: weft
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Dates: during 1930-1939
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...loom in which Joseph Marie Jacquard made practical the ideas of several 18th Century inventors was declared public property in France in 1806, and Jacquard was rewarded with royalties, a pension, a statue. In making fabrics with woven-in designs, it is required that every time a thread of weft is passed across the warp, certain needles be lifted from the row, corresponding to the cross-section of the design at that point. Jacquard solved this with a series of perforated cards permitting some needles to pass through the holes and stopping others. Jacquard cards are now made from...