Singer 320K2 - Page 40

39
BOBBIN THREAD TENSION (continued)
Willd bobbill mith a 51) vard spool of fine
silk thread.
lhicad bobbin cam
and telision so
that k,iglit of bobbin
cask, xsitli a bobbin of
50
\aid,
of
finc
silk
1k1 M11 callc the case to
in Aide when beld
Iisl)(tiixIefl 1) \ th(
1 lo-cad, Sce Fi 9. 63.
l,,[ col f bet tensloll,
flowloval (1 11mc-
111c111 should be very
slow.
..........
Fig. 6,3