needles
1. The long, slender, round steel instruments
pointed at one end and with an eyelet at the other
and through which the thread passes. They are used
to carry the thread through paper or cloth in
sewing a book through the folds. The eyelet should
be designed so as not to cut the thread and yet
allow it to pass freely through the holes made in
paper or cloth. 2. The special straight, curved,
spiral and/or hollow needles used in machines
which sew through the folds of sections, through
the side of a pile of leaves, or in lacing sheets
together. Most of these needles have the eyelet at
the pointed end or carry the thread through the
hollow. (183 , 256 )
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