Treatise on the designing and construction of woven fabrics (1906)
Werner, Herman Oscar, 1881- [from old catalog] · [Providence? R.I. · leaf 38
63-degrees. Rule: If the regular twill, from which the 63-degree twill is to be B formed, repeats on an even number of ends, the 63-degree twill repeats on one-half that number of ends; other- wise the same number of ends is required as in the regular twill. Figure 56 70-degree twills are made from… … ends which is a multiple IFigvire 57 30
Weaving · Textile design
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
