is the term employed when there are several
colours
used. There are, also, what are called
short
and
long
shades; that is, in the former the entire shades, from the lightest to the lightest again, will occur within a short space, a yard or so; whereas, in
long
shades the gradation is much more gradually made.
We notice these apparently trifling differences that readers may comprehend the importance of obtaining precisely the proper materials for each design. If we prescribe a certain article, it is because