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Cotton manufacturing. Fig. 4D, Dobby motion: The knife beam (A), rises and falls with the motion of the loom, and the hooks in the upright position (B) rise and fall with (A); a revolving drum (D), fitted with pegs (E), forces back the springs (F), and y the rods (H) with hooks (G) are thrown back, and the healds attached to these do not rise with (A).

Dobby Motion

Cotton manufacturing. Fig. 4D, Dobby motion: The knife beam (A), rises and falls with the motion of…

Cotton manufacturing. Fig. 1D, hand loom.

Hand Loom

Cotton manufacturing. Fig. 1D, hand loom.

Cotton manufacturing. Fig. 5D, Jacquard motion. The hooks are held upright by rods connected by spiral springs, a card pressing against the ends of these, pierced with holes opposite the ends of the rods connected with the required hooks; the arrangement of holes in the card thus determines the pattern which is woven.

Jacquard Motion

Cotton manufacturing. Fig. 5D, Jacquard motion. The hooks are held upright by rods connected by spiral…

A hand loom - front view.

Loom

A hand loom - front view.

Cotton manufacturing. Fig. 2D, tappet motion: A, B, cams on shaft C, operate the tappet levers D, E by means of pedals F, and raise or lower the healds G as required.

Tappet Motion

Cotton manufacturing. Fig. 2D, tappet motion: A, B, cams on shaft C, operate the tappet levers D, E…