Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/61

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SEWING.
31
Line drawing of a large, floor-standing sewing machine.

Smyth's Sewing Machine

The novelty of this machine is, that the book is sewn with wire instead of thread. The machine is fed with wire from spools by small steel rollers, which at each revolution supply exactly the length of wire required to form little staples with two legs. Of these staples, the machine makes at every revolution as many as are required