Pfaff 90 Owner's Manual - Page 15

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Types of Fabrics Mercerized Cotton Fine Fabrics 80 such as georgette, chiffon, to botiste, voile, lawn, silk. 100 Silk 0 to 000 . twi St Needle Size or 70 Lightweight Fabrics such as dress silks arid 70 to A& 3 80 cottons, sheer woolens, 80 tWist shirting, draperies. Medium Fabrics such as lightweight 50 wooiens, madras, muslin, to B&C twist 90 brocades, heavy silks 70 and rayon, gabardine. Heavy Fabrics such as cooting, denim, 40 corduroy, slipcover fobrics, to bed ti&ings, lightweight 50 C&D twist 100 canvas. Synthetics, Rayon, Acetate including nylon, orion, dacron, plastics, etc. Determined by weight of fabric 40 to 50 Determined by thread size 60 to 80 usie /1 a 3 n '7ha? The appearance of the finished seam is dependent on the correct relationship between needle, thread and fabric. Select the proper thread sizes and needles from this chart. The same size threads should be used in the needle and an the bdbbin. Some experienced seamstresses prefer a somewhat thinner bobbin thread. How ever, the bobbin thread never should be thicker than the needle thread. For embroidery and darning work, a No, 50 thrçad should normally be used. - 12 - -s I1=. r I ;-

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usie
/1
an
3
‘7ha?
The
appearance
of
the
finished
seam
is
dependent
on
the
correct
relationship
between
needle,
thread
and
fabric.
Select
the
proper
thread
sizes
and
needles
from
this
chart.
The
same
size
threads
should
be
used
in
the
needle
and
an
the
bdbbin.
Some
experienced
seamstresses
prefer
a
somewhat
thinner
bobbin
thread.
How
ever,
the
bobbin
thread
never
should
be
thicker
than
the
needle
thread.
For
embroidery
and
darning
work,
a
No,
50
thrçad
should
normally be
used.
-
Mercerized
Needle
Types
of
Fabrics
Silk
Cotton
Size
Fine
Fabrics
80
0
to
such
as
georgette,
chiffon,
to
or
000
botiste,
voile,
lawn,
silk.
100
.
70
twi
St
Lightweight
Fabrics
70
such
as
dress
silks
arid
A
&
3
to
80
cottons,
sheer
woolens,
80
tWist
shirting,
draperies.
Medium
Fabrics
such
as
lightweight
50
B&C
wooiens,
madras,
muslin,
to
90
twist
brocades,
heavy
silks
70
and rayon,
gabardine.
Heavy
Fabrics
such
as
cooting,
denim,
40
C&D
corduroy,
slipcover
fobrics,
to
100
twist
bed
ti&ings,
lightweight
50
canvas.
Synthetics,
Rayon,
Acetate
Determined
Determined
by
weight
including
nylon,
orion,
of
fabric
40
to
50
by
thread
size
dacron,
plastics,
etc.
60
to
80
I
1=.
r
12
I
—
-s
;—