Piece goods manual : Fabrics described; textile, knit goods, weaving terms, etc., explained ; with notes on the classification of samples (1917)
Blanco, A. E · Shanghai : Statistical department of the Inspectorate general of customs · leaf 19
FOUR-END WEFT TWILL WEAVE. This figure, in which the weft threads predominate on the surface, illustrates a four-end, one-warp and three-weft, regular weft twill, in which three-quarters of the weft threads are thrown to the surface and the remaining quarter is warp. It is the reverse of Figure 3.
Textile fabrics
Internet Archive · Claire T. Carney Library, University of Massachusetts Dartmouth · Public domain (published before 1931). Free to use for anything.