Singer NO. 28, Инструкция по использованию

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Binding Outside Curves
Practice is required to bind a curved edge
properly.
The edge to be bound must be allowed to
pass freely through the scroll and should not
be crowded in or against it. Guiding should
be from the back of the binder and to the left,
allowing unfinished edges to swing naturally
into the scroll of the binder.
Never pull the binding as it feeds through the
Binder, as bias material is very easily
stretched and would be too narrow when it
reaches the needle. If this occurs the edges
will not be turned.
When binding a curved edge, turn the materi-
al only as fast as the machine sews. It is not
possible to hold the material in the entire
length of the scroll when binding a small
curve.
Do not push the material in too fast, as the
edge will then become puckered, and do not
stretch the material or the curve will not be
the proper shape when finished. If the stitch-
ing does not catch the edge of the binding
the scroll should be adjusted a little to the
left.
Sample of Outside Curve.
Sample of Inside Curve.