Husqvarna Zig Zag - Darning elastic materials

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Jointed
zig-zag
presser
f,oot.
Fig.
30.
Darning
of
locknir
and
stockings"
Darning
of
elastic
materials
is
work
where
rhe
zig_zag
seam'
with
its
elasticity,
can
be
used
mosr
widely.
Ir
gives
smooth
darning
withou
t
any
rhick
edges.
The
breadtla
of
the
seam
can
var
y
f
rom
2
to
4
mm,
according
[o
rhe
nature
Fis.
31.
Fig.
32
jointed
zig-zag
presser [oot"
Fis"
3 3
'of
the
vrork,
The
f
ree
arm
fa-
cilirares
rhe
work
of
sewing,
as
rhe
.gar-
ment
can
be
drawn
on
to
rhe
arm
for
example,
when
elastic
is
ro
be
sritch-
ed
inside
a
sleeve,
or
fo
r
rn
ending
socks
and
stockings,
[rou-
sers
a[ rrhe
knee,
or
or
srirching
0n
.r
pocke
c.
Casting
seams,
The
zig-zag seam
is
ver,y
useful when casting rough
edgres
dressmaking and other
work.
The
breadth of seam
used
rnusr depend
on
the
weighr o[
rhe
cloth and its
kind
of ureave.
The
uhread
tension
should
be regulated in
relation to
the rype
of
material.
If
the ten-
sion is too tight,
it will tend
to
make
the edges of
,rhe
nla-
tcrial
roll. FiS.
33
shows
how the
seam Xooks"
Fringeirg.
V"henever
ic is necessary"
to
prevent
troose
threads
from
unraYelling,
for ex-
ample when
making finges
on
tablecloths, rable
rrrnt:j
and
scarYes, the
ztg.-zty
seam
can
L;e
used.
Fis.
3
+.
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