11. #Calculation of cost.#

[Page 68]

1. THE WEAVE

If a given sample is to be reproduced or imitated, it must be analyzed, and

the following hints will greatly facilitate this operation to the beginner.

Cut the sample straight on two sides, and draw out a number of warp and

filling threads until there is a small fringe of perhaps ¼ of an inch. This

will allow a thread to be raised a little for examination, without danger

of its falling out of the fabric. In most cases it is easier to dissect the

filling side, that is, the interlacing of each warp-thread in the threads

of the filling system. With the help of the microscope or counting glass we

can easily determine over and under how many picks that thread passes and

the points of interlacing are accordingly marked on designing paper. This

being done for at least the length of a repeat warpways, we take it out and

examine the following thread, and so on until the repeat filling-ways is

complete. It is advisable to ascertain how many picks ahead or back of the

first examined thread the next following one binds before taking the former

out.

A knowledge of the construction of weaves as explained in the foregoing

chapters will enable us to determine the weave of a simple pattern by

merely raising a warp-thread with a needle on any point of interlacing and

counting off how many picks apart from this place it makes an impression.

Theory of Silk Weaving A Treatise on the Construction and Application of Weaves, and the Decomposition and Calculation of Broad and Narrow, Plain, Novelty and Jacquard Silk Fabrics · 第 33 / 57 题