Knot.—All antiques are tied with the Senna knot. Some of the modern ones are tied with the Ghiordes knot. Number vertically, antiques eight to fourteen, moderns six to fourteen; number horizontally, antiques eight to eighteen, moderns five to twelve; number to square inch, antiques sixty-four to two hundred fifty-two, moderns thirty to one hundred sixty-eight.
Warp.—Always cotton.
Woof.—Nearly always cotton, sometimes dyed.
Nap.—Usually of good wool, frequently of camels' hair.
Sides.—Overcast, usually with black wool.
Ends.—Narrow selvage hemmed over at one end, with a selvage and loose warp threads at the other end.
FERAGHAN RUG
(HERATI DESIGN)
PROPERTY OF THE TIFFANY STUDIOS, NEW YORK CITY
Border.—From three to nine border stripes, which usually carry small floral designs. Herati border is the most common and is almost characteristic. Usually one wide border stripe with a background of green and from one to four narrow border stripes on each side of it.