. Annual report of the American Institute, of the City of New York. Science. PROCEEDINGS OF THE POLYTECHNIC ASSOCIATION. 471 distance from the edge, and the latter rising from beh)w tl)rough the button hole. The straight needle has three ej'es, the curved one two. These needles work together, the curved being placed at such an angle as to give a loop to the straight in the downward motion of the latter, and to receive one as it ascends. This forms a double interlocking stitch, pre- senting, when the threads are loosely drawn, a double ptarl as it is term- ed, or two rows of knots, as shown in
. Annual report of the American Institute, of the City of New York. Science. PROCEEDINGS OF THE POLYTECHNIC ASSOCIATION. 471 distance from the edge, and the latter rising from beh)w tl)rough the button hole. The straight needle has three ej'es, the curved one two. These needles work together, the curved being placed at such an angle as to give a loop to the straight in the downward motion of the latter, and to receive one as it ascends. This forms a double interlocking stitch, pre- senting, when the threads are loosely drawn, a double ptarl as it is term- ed, or two rows of knots, as shown in fig. I. The positions of these pearls npon the edge of the cloth are changed at will by varying the tension of the threads, and may be drawn together so as to present but one row of knots. (Fig. 2.) Figure 1. Figure Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Institute of the City of New York. [S. l. : s. n. ]
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