Weaving machines and apparatus, namely, draught and cording apparatus, dobbies, cam motions, Jacquard machines, harnesses, devices for selvedges; pick seeking devices, filling accumulators, frames, heddles, reeds, reed dents, warp stop motions, drop wires, creels, bobbins; cardboard perforating machines; machines and apparatus for weaving preparation, namely, warp drawing-in machines, warp tying-in machines, warp welding machines, leasing machines, automatic warp changing systems