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‹Better GutenbergThe Jacquard Machine Analyzed and ExplainedIX — The Point Tie-up in Three Sections · 40 of 86Contents›

The Jacquard Machine Analyzed and Explained

by E. A. Posselt

40 of 86 · Contents · Download EPUB

IX The Point Tie-up in Three Sections

This method of tying-up Jacquard looms shows the point tie-up applied to the three-section arrangement, on the same principle as the straight-through in paragraph VIII.

Fig. LXII. shows the comber-board divided into three distinct sections, marked I., II. and III. For explanation, take a 300 machine; allow 100 needles and hooks for each section, distributed as follows: Section I., 1 to 100; Section II., 101 to 200; Section III., 201 to 300. Each section contains 200 warp-threads; and the complete division of three sections, 600 threads. The threading of three sections, illustrated in Fig. LX., is applied to the present tie-up, as follows:

1st end, from sectionI.,attached to No. 1harness-cord.
2d end, from sectionII.,attached to No. 101harness-cord.
3d end, from sectionIII.,attached to No. 201harness-cord.
4th end, from sectionI.,attached to No. 2harness-cord.
5th end, from sectionII.,attached to No. 102harness-cord.
6th end, from sectionIII.,attached to No. 202harness-cord.
7th end, from sectionI.,attached to No. 3harness-cord.
8th end, from sectionII.,attached to No. 103harness-cord.
9th end, from sectionIII.,attached to No. 203harness-cord. And so on.

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