Example.—If a plain cloth has been made with 36’s yarns, and it is proposed to make a “two and two” twill with the same number of threads per inch, find the counts required to keep the same “firmness.”
Ends + Inters.
in sample cloth.
Ends + Inters.
in proposed cloth.
or
4 + 4
:
4 + 2
√36
: