while the appearance of a full weaver's warp beam is shown distinctly in the second loom in Fig.

For example, to refer to a simple differentiation, the yarn which is to be used for the warp threads in the weaving of cloth must, in nearly every case, have properties which differ in some respects from the yarn which is to be used as weft for the same cloth.

These two distinct conditions necessitate two general types of winding: (a) Spool winding or bobbin winding for the warp yarns.

Inlays the broider'd weft with flowery dyes, 70 Quick beat the reeds, the pedals fall and rise; Slow from the beam the lengths of warp unwind, And dance and nod the massy weights behind.