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The Jacquard Machine Analyzed and Explained

E. A. Posselt

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Book Excerpt: 
. . .or if it is not, the hooks will not be pushed far enough from the griffe-bars, and by raising the latter a wrong shed will be produced. When using a great number of cards in a set they are made to fold into a “rack.” This is done by attaching a wire 1 to 1-1/2 inches longer than the cards at the junction of, say every 12th, 15th, or 20th cards. [See c at Fig. XV.]

The cards fall through a wooden frame, Fig. XVII., but the wires attached to the cards, being longer, can not pass through, and the cards will remain suspended, and subsequently fold together in a very compact manner.

Fig. XVII.

In Fig. XVII. we illustrate 156 cards arranged with wires attached to every twelfth card, as follows: between cards 156 and 1, 12 and 13, 24 and 25, 36 and 37, 48 and 49, 60 and 61, 72 and 73, 84 and 85, 96 and 97, 108 and 109, 120 and 121, 132 and 133, 144 and 145.

[20]

At e, f, g, are shown prisms of the size of the cylinder, by whi. . . Read More