Chapter I: Front Matter

THE JACQUARD MACHINE
Analyzed and Explained:
WITH AN APPENDIX
ON THE
PREPARATION OF JACQUARD CARDS,
AND
PRACTICAL HINTS TO LEARNERS OF JACQUARD DESIGNING.

BY
E. A. POSSELT,
_Head Master, Textile Department, Pennsylvania Museum and School of
Industrial Art_,
No. 1336 Spring Garden Street.

With 230 Illustrations.

PHILADELPHIA, PA.:
PUBLISHED UNDER THE AUSPICES OF THE SCHOOL.
1888.

Copyrighted, 1887,
BY
E. A. POSSELT.

Press of
Dando Printing and Publishing Co.,
34 S. Third St., Philadelphia.

Photo-Engravings by
The Levytype Company,
Philadelphia.

TABLE OF CONTENTS.

PAGE.

=History of the Jacquard Machine=, 7

=The Jacquard Machine--General Arrangement and Application=, 9

=Illustration of the different parts of the
Jacquard Machine--Method of Operation, etc.=, 11

=The Jacquard Harness--The Comber-boards=, 20

=Tying-up of Jacquard Harness=, 23
I.--Straight-through Tie-up, 23
II.--Straight-through Tie-up for Repeated Effects, in
one Repeat of the Design, 29
III.--Straight-through Tie-up of Jacquard Loom, having
Front Harness attached, 31
IV.--Centre Tie-up, 33
V.--Straight-through and Point Tie-ups Combined, 35
VI.--Straight-through Tie-up in Two Sections, 48
VII.--Tying-up a Jacquard Harness for Figuring Part
of the Design with an Extra Warp, 51
VIII.--Straight-through Tie-up in Three Sections, 53
IX.--Point Tie-up in Three Sections, 55
X.--Combination Tie-up in Two Sections, 56
XI.--Straight-through Tie-up in Four Sections, 57
XII.--Tying-up of Jacquard Looms with Compound Harness attached, 58
XIII.--Tying-up Jacquard Looms for Gauze Fabrics, 64

=Modifications of the Single Lift Jacquard Machine=, 67
I.--Double Lift Single Cylinder Jacquard Machine, 67
II.--Double Lift Double Cylinder Jacquard Machine, 69
III.--Substitution of Tail-cords for Hooks, 71

=Tying-up of Jacquard Harness for Two-ply Ingrain Carpet=, 72
General Description of the Construction of the Fabric, 72
Straight-through Tie-up for Ingrain Carpet, 74
Point Tie-up for Ingrain Carpet, 78