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Singer 251-2 - Page 10

Singer 251-2
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From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
9
THREAD
HOLD
THIS
END
~
Fig.
9.
How
to
Determine
the
Twist
On
Machines
of
Class
251-
use
only
left
twist
thread
in
the
needle.
Either
right
or
left
twist
thread
can
be
used
in
the
bobbin.
To
determine
the
thread
twist,
hold
the
thread
as
shown
in Fig. 9.
Then
roll
the
thread
over
toward
you-
if
the
strands
of
the
thread
wind
tighter,
the
thread
is
left
twist;
if
the
strands
unwind
or
separate,
the
thread
is
right
twist.
RELATIVE
SIZES
OF
NEEDLES
AND
THREAD
The
following
sizes
of
needles
and
thread
are
recommended
according
to
the
class
of
work:
SIZES
SIZES
OF
OF
CLASSES
OF
WORK
COTTON,
LINEN
NEEDLES
OR
SILK
8
to
Shirtings,
Sheetings,
Calicoes,
Muslins,
Silks,
Dress
60
to
80
Cotton
14
Goods
and
all
classes
of
general
work
with
light
A
and
B Silk
and
medium
weight
fobrics.
16
All
kinds
of
heavy
Calicoes,
light
Woolen
Goods,
40
to
60
Cotton
and
heavy
Silk,
Seaming,
Stitching,
etc.
C Silk
17
1 8
Tickings,
Upholstery,
Woolen
Goods,
Trousers,
Boys'
30
to
40
Cotton
Clothing,
Cloaks,
etc.
D
Silk
19
Heavy
Woolens,
Tickings,
Bags,
Heavy
Coats,
20
to
30
Cotton
and
Trousers,
Heavy
Clothing
generally.
E Silk
20
60
to
80
Linen
21
to
Bags,
Coarse
Cloths
and
Heavy
Goods.
16
to
20
Cotton
24
40
to
60
Linen

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