A short Czech encyclopedia entry on tulle (bobbinnet), a fine, transparent net fabric with regular hexagonal openings made from cotton, silk or linen. It explains how the weft threads are worked into the parallel warp threads, how this differs from ordinary weaving, and the machines used (bobbinnet and petinet). It mentions Heathcoat's 1808-1809 bobbinnet machine in Nottingham, the origin of the name in the French town of Tulle, and a bibliography. One diagram illustrates the thread construction.